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Trojan.Siggen15.14039

Added to the Dr.Web virus database: 2021-09-12

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ycAutoLaunch_87B41A820EE972244660D9B310E9350D' = '"%LOCALAPPDATA%\yc\Application\yc.exe" /prefetch:5'
Malicious functions
Injects code into
the following user processes:
  • yc.exe
Reads files which store third party applications passwords
  • %LOCALAPPDATA%\yc\user data\default\login data
  • %LOCALAPPDATA%\yc\user data\default\web data
  • %LOCALAPPDATA%\yc\user data\default\cookies
Modifies file system
Creates the following files
  • %TEMP%\cr_b84f4.tmp\chrome.packed.7z
  • %LOCALAPPDATA%\yc\user data\default\history-journal
  • %LOCALAPPDATA%\yc\user data\default\history
  • %LOCALAPPDATA%\yc\user data\default\favicons-journal
  • %LOCALAPPDATA%\yc\user data\default\favicons
  • %LOCALAPPDATA%\yc\user data\default\gpucache\index
  • %LOCALAPPDATA%\yc\user data\default\visited links
  • %LOCALAPPDATA%\yc\user data\default\gpucache\data_0
  • %LOCALAPPDATA%\yc\user data\default\web data-journal
  • %LOCALAPPDATA%\yc\user data\default\web data
  • %LOCALAPPDATA%\yc\user data\default\gpucache\data_1
  • %LOCALAPPDATA%\yc\user data\default\download service\entrydb\manifest-000001
  • %LOCALAPPDATA%\yc\user data\default\download service\entrydb\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\manifest-000001
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\manifest-000002
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\000002.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\log
  • %LOCALAPPDATA%\yc\user data\default\gpucache\data_2
  • %LOCALAPPDATA%\yc\user data\default\gpucache\data_3
  • %TEMP%\scoped_dir252_32619\extc.crx
  • %TEMP%\d462e5fb-6ff1-4fb4-ae0e-f857ca94d333.tmp
  • %LOCALAPPDATA%\yc\user data\default\1b43b69e-e86f-4cc2-af8e-a09c22b2bae0.tmp
  • %LOCALAPPDATA%\yc\user data\shadercache\gpucache\data_0
  • %LOCALAPPDATA%\yc\user data\shadercache\gpucache\data_1
  • %LOCALAPPDATA%\yc\user data\shadercache\gpucache\data_2
  • %LOCALAPPDATA%\yc\user data\shadercache\gpucache\data_3
  • %LOCALAPPDATA%\yc\user data\default\readme
  • %LOCALAPPDATA%\yc\user data\first run
  • %LOCALAPPDATA%\yc\user data\default\top sites-journal
  • %LOCALAPPDATA%\yc\user data\default\sync data\leveldb\manifest-000001
  • %LOCALAPPDATA%\yc\user data\shadercache\gpucache\index
  • %LOCALAPPDATA%\yc\user data\default\sync data\leveldb\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\sync data\leveldb\log
  • %LOCALAPPDATA%\yc\user data\default\sync data\leveldb\000003.log
  • %LOCALAPPDATA%\yc\user data\default\login data-journal
  • %LOCALAPPDATA%\yc\user data\default\login data
  • %LOCALAPPDATA%\yc\user data\default\thumbnails\manifest-000001
  • %LOCALAPPDATA%\yc\user data\default\thumbnails\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\thumbnails\log
  • %LOCALAPPDATA%\yc\user data\default\0e00997b-0f7e-4dcf-a955-e756184b837f.tmp
  • %LOCALAPPDATA%\yc\user data\default\top sites
  • %LOCALAPPDATA%\yc\user data\default\previews_opt_out.db-journal
  • %LOCALAPPDATA%\yc\user data\default\previews_opt_out.db
  • %LOCALAPPDATA%\yc\user data\default\download service\entrydb\log
  • %LOCALAPPDATA%\yc\user data\default\shortcuts-journal
  • %LOCALAPPDATA%\yc\user data\default\extension state\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\extension state\log
  • %LOCALAPPDATA%\yc\user data\default\extension state\000003.log
  • %LOCALAPPDATA%\yc\user data\default\origin bound certs-journal
  • %LOCALAPPDATA%\yc\user data\default\origin bound certs
  • %LOCALAPPDATA%\yc\user data\2b0d3dbd-13bb-4607-86cc-232b4d8c01a3.tmp
  • %LOCALAPPDATA%\yc\user data\default\cache\f_000001
  • %LOCALAPPDATA%\yc\user data\default\7847516f-3500-4cfc-8b43-451e906e1cea.tmp
  • %LOCALAPPDATA%\yc\user data\default\e14f3145-4f8d-407c-a900-cf92fb4c2446.tmp
  • %LOCALAPPDATA%\yc\user data\default\b83f32ef-cbbb-4395-b6c7-6de32f5b57f4.tmp
  • %LOCALAPPDATA%\yc\user data\default\local storage\leveldb\000003.log
  • %LOCALAPPDATA%\yc\user data\default\73ce3f56-d89f-4a9f-9498-2f315db50af0.tmp
  • %LOCALAPPDATA%\yc\user data\default\12550b62-eeed-4286-9811-3abf37e1f833.tmp
  • %LOCALAPPDATA%\yc\user data\b8df671a-1fd3-4c49-8515-e75867d275b5.tmp
  • %LOCALAPPDATA%\yc\user data\default\58774378-01f8-4486-9d8d-7ccceff2f494.tmp
  • %LOCALAPPDATA%\yc\user data\cec8192e-7028-4ecd-b34e-fb0efc4dd051.tmp
  • %LOCALAPPDATA%\yc\user data\default\session storage\manifest-000001
  • %LOCALAPPDATA%\yc\user data\default\session storage\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\session storage\log
  • %LOCALAPPDATA%\yc\user data\default\extension state\manifest-000001
  • %LOCALAPPDATA%\yc\user data\default\local storage\leveldb\log
  • %LOCALAPPDATA%\yc\user data\default\current session
  • %LOCALAPPDATA%\yc\user data\default\local storage\leveldb\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\shortcuts
  • %LOCALAPPDATA%\yc\user data\default\network action predictor-journal
  • %LOCALAPPDATA%\yc\user data\default\network action predictor
  • %LOCALAPPDATA%\yc\user data\default\cookies-journal
  • %LOCALAPPDATA%\yc\user data\default\cookies
  • %LOCALAPPDATA%\yc\user data\default\cache\index
  • %LOCALAPPDATA%\yc\user data\default\cache\data_0
  • %LOCALAPPDATA%\yc\user data\default\cache\data_1
  • %LOCALAPPDATA%\yc\user data\default\cache\data_2
  • %LOCALAPPDATA%\yc\user data\default\cache\data_3
  • %TEMP%\scoped_dir252_32619\crx_install\manifest.json
  • %TEMP%\scoped_dir252_32619\crx_install\background.js
  • %TEMP%\scoped_dir252_32619\decoded_images
  • %TEMP%\scoped_dir252_32619\decoded_message_catalogs
  • %LOCALAPPDATA%\yc\user data\default\extension rules\manifest-000001
  • %LOCALAPPDATA%\yc\user data\default\extension rules\000001.dbtmp
  • %LOCALAPPDATA%\yc\user data\default\extension rules\log
  • %LOCALAPPDATA%\yc\user data\default\extension rules\000003.log
  • %LOCALAPPDATA%\yc\user data\default\local storage\leveldb\manifest-000001
  • %LOCALAPPDATA%\yc\user data\7161ef58-e1ae-47ce-95ec-027cb22104ea.tmp
  • %LOCALAPPDATA%\yc\user data\stability\252-1631396035297800.pma
  • %LOCALAPPDATA%\yc\user data\browsermetrics\browsermetrics-613d20c9-fc.pma
  • %LOCALAPPDATA%\yc\user data\crashpadmetrics-active.pma
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\cs.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\da.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\de.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\el.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\en-gb.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\en-us.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\es-419.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\bn.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ca.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\es.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\fi.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\fil.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\fr.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\gu.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\he.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\hi.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\hr.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\et.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\fa.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\bg.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ar.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\am.pak
  • %TEMP%\cr_b84f4.tmp\setup.exe
  • %LOCALAPPDATA%\yc\user data\crashpad\settings.dat
  • %LOCALAPPDATA%\yc\temp\source2120_26356\d3ba1ba3-50e4-4816-927a-d843f3954c7a.tmp
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome.7z
  • %LOCALAPPDATA%\yc\temp\source2120_26356\ab5fc3ef-8742-4dda-b502-313f592b0305.tmp
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\64.0.3282.171.manifest
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\chrome.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\chrome_100_percent.pak
  • %TEMP%\cr_b84f4.tmp\setup.ex_
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\chrome_200_percent.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\chrome_elf.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\chrome_watcher.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\crx\extc.crx
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\d3dcompiler_47.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\extensions\external_extensions.json
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\icudtl.dat
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\libegl.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\libglesv2.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\chrome_child.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\hu.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\id.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\it.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ja.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\uk.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\vi.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\zh-cn.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\zh-tw.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\nacl64.exe
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\nacl_irt_x86_32.nexe
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\nacl_irt_x86_64.nexe
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\natives_blob.bin
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\resources.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\snapshot_blob.bin
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\swiftshader\libegl.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\swiftshader\libglesv2.dll
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\v8_context_snapshot.bin
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\visualelements\logo.png
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\visualelements\smalllogo.png
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\yc.exe
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\chrome.visualelementsmanifest.xml
  • %LOCALAPPDATA%\yc\application\yc.exe
  • %LOCALAPPDATA%\yc\application\64.0.3282.171\installer\setup.exe
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\tr.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\te.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\th.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ta.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\kn.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ko.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\lt.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\lv.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ml.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\mr.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ms.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\nb.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\nl.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\pl.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\pt-br.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\pt-pt.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ro.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\ru.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\sk.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\sl.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\sr.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\sv.pak
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\64.0.3282.171\locales\sw.pak
  • %LOCALAPPDATA%\yc\application\setupmetrics\c3a35f38-e627-4300-bafc-0536865a3e8f.tmp
  • %LOCALAPPDATA%\yc\user data\browsermetrics-spare.pma.tmp
Deletes the following files
  • %TEMP%\cr_b84f4.tmp\setup.ex_
  • %LOCALAPPDATA%\yc\user data\default\preferences~rf7d690.tmp
  • %LOCALAPPDATA%\yc\user data\local state~rf780b3.tmp
  • %LOCALAPPDATA%\yc\user data\default\secure preferences~rf76621.tmp
  • %TEMP%\scoped_dir252_32619\extc.crx
  • %TEMP%\scoped_dir252_32619\decoded_message_catalogs
  • %TEMP%\scoped_dir252_32619\decoded_images
  • %LOCALAPPDATA%\yc\user data\local state~rf7d6be.tmp
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\manifest-000001
  • %TEMP%\d462e5fb-6ff1-4fb4-ae0e-f857ca94d333.tmp
  • %LOCALAPPDATA%\yc\user data\default\0e00997b-0f7e-4dcf-a955-e756184b837f.tmp
  • %LOCALAPPDATA%\yc\user data\browsermetrics\browsermetrics-613d20c9-fc.pma
  • %TEMP%\cr_b84f4.tmp\setup.exe
  • %TEMP%\cr_b84f4.tmp\chrome.packed.7z
  • %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\yc.exe
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\current~rf71ed5.tmp
  • %LOCALAPPDATA%\yc\user data\local state~rf81f71.tmp
Moves the following files
  • from %LOCALAPPDATA%\yc\temp\source2120_26356\chrome-bin\chrome.visualelementsmanifest.xml to %LOCALAPPDATA%\yc\application\chrome.visualelementsmanifest.xml
  • from %LOCALAPPDATA%\yc\user data\7161ef58-e1ae-47ce-95ec-027cb22104ea.tmp to %LOCALAPPDATA%\yc\user data\local state
  • from %LOCALAPPDATA%\yc\user data\default\session storage\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\session storage\current
  • from %LOCALAPPDATA%\yc\user data\local state to %LOCALAPPDATA%\yc\user data\local state~rf7d6be.tmp
  • from %LOCALAPPDATA%\yc\user data\cec8192e-7028-4ecd-b34e-fb0efc4dd051.tmp to %LOCALAPPDATA%\yc\user data\local state
  • from %LOCALAPPDATA%\yc\user data\default\preferences to %LOCALAPPDATA%\yc\user data\default\preferences~rf7d690.tmp
  • from %LOCALAPPDATA%\yc\user data\default\58774378-01f8-4486-9d8d-7ccceff2f494.tmp to %LOCALAPPDATA%\yc\user data\default\preferences
  • from %LOCALAPPDATA%\yc\user data\local state to %LOCALAPPDATA%\yc\user data\local state~rf780b3.tmp
  • from %LOCALAPPDATA%\yc\user data\b8df671a-1fd3-4c49-8515-e75867d275b5.tmp to %LOCALAPPDATA%\yc\user data\local state
  • from %LOCALAPPDATA%\yc\user data\default\secure preferences to %LOCALAPPDATA%\yc\user data\default\secure preferences~rf76621.tmp
  • from %LOCALAPPDATA%\yc\user data\default\12550b62-eeed-4286-9811-3abf37e1f833.tmp to %LOCALAPPDATA%\yc\user data\default\secure preferences
  • from %LOCALAPPDATA%\yc\user data\default\73ce3f56-d89f-4a9f-9498-2f315db50af0.tmp to %LOCALAPPDATA%\yc\user data\default\transportsecurity
  • from %LOCALAPPDATA%\yc\user data\default\b83f32ef-cbbb-4395-b6c7-6de32f5b57f4.tmp to %LOCALAPPDATA%\yc\user data\default\translate ranker model
  • from %LOCALAPPDATA%\yc\user data\default\e14f3145-4f8d-407c-a900-cf92fb4c2446.tmp to %LOCALAPPDATA%\yc\user data\default\preferences
  • from %LOCALAPPDATA%\yc\user data\default\7847516f-3500-4cfc-8b43-451e906e1cea.tmp to %LOCALAPPDATA%\yc\user data\default\secure preferences
  • from %LOCALAPPDATA%\yc\user data\2b0d3dbd-13bb-4607-86cc-232b4d8c01a3.tmp to %LOCALAPPDATA%\yc\user data\local state
  • from %LOCALAPPDATA%\yc\user data\default\extension state\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\extension state\current
  • from %LOCALAPPDATA%\yc\user data\default\local storage\leveldb\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\local storage\leveldb\current
  • from %LOCALAPPDATA%\yc\user data\default\extension rules\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\extension rules\current
  • from %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\current to %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\current~rf71ed5.tmp
  • from %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\000002.dbtmp to %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\current
  • from %LOCALAPPDATA%\yc\user data\default\download service\entrydb\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\download service\entrydb\current
  • from %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\current
  • from %LOCALAPPDATA%\yc\user data\default\1b43b69e-e86f-4cc2-af8e-a09c22b2bae0.tmp to %LOCALAPPDATA%\yc\user data\default\google profile.ico
  • from %LOCALAPPDATA%\yc\user data\default\thumbnails\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\thumbnails\current
  • from %LOCALAPPDATA%\yc\user data\default\sync data\leveldb\000001.dbtmp to %LOCALAPPDATA%\yc\user data\default\sync data\leveldb\current
  • from %LOCALAPPDATA%\yc\application\setupmetrics\c3a35f38-e627-4300-bafc-0536865a3e8f.tmp to %LOCALAPPDATA%\yc\application\setupmetrics\20210911143355.pma
  • from %LOCALAPPDATA%\yc\temp\source2120_26356\chrome.7z to %LOCALAPPDATA%\yc\application\64.0.3282.171\installer\chrome.7z
  • from %LOCALAPPDATA%\yc\user data\local state to %LOCALAPPDATA%\yc\user data\local state~rf81f71.tmp
  • from %LOCALAPPDATA%\yc\user data\browsermetrics-spare.pma.tmp to %LOCALAPPDATA%\yc\user data\browsermetrics-spare.pma
Substitutes the following files
  • %LOCALAPPDATA%\yc\user data\default\data_reduction_proxy_leveldb\current
  • %LOCALAPPDATA%\yc\user data\default\secure preferences
  • %LOCALAPPDATA%\yc\user data\local state
  • %LOCALAPPDATA%\yc\user data\default\preferences
Network activity
Connects to
  • 'google.com':443
  • 'gs##tic.com':443
  • 'tr######e.googleapis.com':443
  • 'ss#.#static.com':443
TCP
Other
  • 'google.com':443
  • 'tr######e.googleapis.com':443
  • 'ss#.#static.com':443
  • 'gs##tic.com':443
UDP
  • DNS ASK google.com
  • DNS ASK be##ore.ru
  • DNS ASK gs##tic.com
  • DNS ASK tr######e.googleapis.com
  • DNS ASK ss#.#static.com
Miscellaneous
Searches for the following windows
  • ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\yc\User Data'
Creates and executes the following
  • '%TEMP%\cr_b84f4.tmp\setup.exe' --install-archive="%TEMP%\CR_B84F4.tmp\CHROME.PACKED.7Z"
  • '%TEMP%\cr_b84f4.tmp\setup.exe' --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=%LOCALAPPDATA%\yc\User Data\Crashpad" --annotation=plat=Win32 --annotation=prod=Chromium --annot...
  • '%LOCALAPPDATA%\yc\application\yc.exe'
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=crashpad-handler "--user-data-dir=%LOCALAPPDATA%\yc\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=%LOCALAPPDATA%\yc\User Data\Crashpad" "--metrics-d...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=gpu-process --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --gpu-preferences=GAAAAAAAAAAABwAAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x0000 ...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=renderer --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --service-pipe-token=C4508DF412E9FCB121D939ED3AD71B03 --lang=en-US --instant-process --enable-offline-au...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=renderer --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --service-pipe-token=AE0583F309D903E488D08377E1F4DB48 --lang=en-US --extension-process --enable-offline-...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=utility --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --lang=en-US --service-sandbox-type=utility --utility-allowed-dir="%TEMP%\scoped_dir252_32619" --service-...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=renderer --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --disable-gpu-compositing --service-pipe-token=7DE3837B804DEBEB44E3819C5207CA48 --lang=en-US --extension...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=utility --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --lang=en-US --service-sandbox-type=utility --service-request-channel-token=CE468532C0077AD520BC5CFF200D9...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=utility --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --lang=en-US --no-sandbox --service-request-channel-token=DBEC00C7DCE0A9C4367A64F3DFC6A861 --mojo-platfor...
  • '%LOCALAPPDATA%\yc\application\yc.exe' --type=utility --field-trial-handle=980,2831080174320113563,15904222167021312870,131072 --lang=en-US --service-sandbox-type=utility --service-request-channel-token=A9BCDF0D61F69DB3301B36D121CB6...

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android

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