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Trojan.Siggen31.57050

Added to the Dr.Web virus database: 2025-09-18

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • %APPDATA%\microsoft\windows\start menu\programs\startup\ tlwgdxd3.lnk
Malicious functions
Searches for windows to
detect analytical utilities:
  • ClassName: 'OLLYDBG', WindowName: ''
  • ClassName: 'GBDYLLO', WindowName: ''
  • ClassName: 'pediy06', WindowName: ''
  • ClassName: 'RegmonClass', WindowName: ''
  • ClassName: 'FilemonClass', WindowName: ''
  • ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
  • ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
Modifies file system
Creates the following files
  • C:\users\public\downloads\fdgfdsgfdg.txt
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68ccd604-40c.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68ccd60d-83c.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000002
  • %LOCALAPPDATA%\microsoft\edge\user data\default\000002.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\index
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_2
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_3
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cookies-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\index
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_2
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_3
  • %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\39aaba0a8c562b43_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000002
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\79c4e86d611a3b65_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\da4ead534570cf4c_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000003
  • %LOCALAPPDATA%\microsoft\edge\user data\default\heavy_ad_intervention_opt_out.db-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\c4afc359b87566ce_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\quotamanager-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\databases\databases.db-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\quotamanager
  • %LOCALAPPDATA%\microsoft\edge\user data\default\databases\databases.db
  • %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\manifest-000002
  • %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000002.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\previews_opt_out.db-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\previews_opt_out.db
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts
  • %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor
  • %LOCALAPPDATA%\microsoft\edge\user data\last browser
  • %LOCALAPPDATA%\microsoft\edge\user data\default\heavy_ad_intervention_opt_out.db
  • %LOCALAPPDATA%\microsoft\edge\user data\default\preferredapps
  • %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\log
  • %LOCALAPPDATA%\microsoft\edge\user data\functional data-wal
  • %LOCALAPPDATA%\microsoft\edge\user data\functional san data-wal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\94511fe6be688689_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\487daf2218261586_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000004
  • %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\8ff0344a9fd0dbad_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000005
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000006
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\226c8389f83dbf2c_0
  • %TEMP%\b0593162-6125-4a50-834b-3837d22f77b1.tmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\000005.ldb
  • %TEMP%\2cdb6a0d-8397-4c25-ab3d-9a6afb328318.tmp
  • %TEMP%\edge_bits_2108_1463969018\bit3ed0.tmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\aa00253c914263c5_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000007
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000008
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\9fd0c819f1319fbd_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\095381d2c92348e0_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000009
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\ba0aef1ec0e9f382_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_00000a
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\374a705dda269581_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_00000b
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\767e324961116f00_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\f08536345bf28b89_0
Sets the 'hidden' attribute to the following files
  • %TEMP%\edge_bits_2108_1463969018\bit3ed0.tmp
Moves the following files
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\indexeddb\https_www.mercadolibre.com_0.indexeddb.leveldb\current
  • from %TEMP%\edge_bits_2108_1463969018\bit3ed0.tmp to %TEMP%\edge_bits_2108_1463969018\0c17d4e3-9d9d-44b6-9280-2b041bbaf3d9
Modifies the following files
  • %LOCALAPPDATA%\microsoft\edge\user data\last version
  • %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\site characteristics database\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\web data-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\web data
  • %LOCALAPPDATA%\microsoft\edge\user data\default\visited links
  • %LOCALAPPDATA%\microsoft\edge\user data\default\history-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\history
  • %LOCALAPPDATA%\microsoft\tokenbroker\cache\9cd93bc6dcf544bae69531052e64647ec02f2bb4.tbres
  • %LOCALAPPDATA%\microsoft\edge\user data\default\favicons-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\favicons
  • %TEMP%\.ses
  • %LOCALAPPDATA%\microsoft\edge\user data\default\local storage\leveldb\000003.log
Substitutes the following files
  • %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Local Storage\leveldb\LOG
  • %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Platform Notifications\LOG
Network activity
Connects to
  • 'me####opago.com.br':443
  • 'co####.edge.skype.com':443
  • 'cr#.####g2.amazontrust.com':80
  • 'x.##2.us':80
  • 'me####olivre.com':443
  • 'docs.google.com':443
  • 'da##.##rcadolibre.com':443
  • 'ht###.mlstatic.com':443
  • 'pk#.goog':80
  • 're###tcha.net':443
  • 'go###e.com.br':443
  • 'gs##tic.com':443
  • 'do##########cstext.googleusercontent.com':443
  • 'an######s.mercadopago.com':443
  • '19#.#02.40.182':50042
  • 'st###.#.doubleclick.net':443
  • 'js#####t.newrelic.com':443
  • 'ap#.###cadolibre.com':443
  • 'ba#.#r-data.net':443
  • 'localhost':5985
  • 'sb.#####cardresearch.com':443
  • 'im######n-com.akamaized.net':443
TCP
HTTP GET requests
  • http://pk#.goog/gsr1/gsr1.crt
Other
  • 'co####.edge.skype.com':443
  • 'me####opago.com.br':443
  • 'me####olivre.com':443
  • 'docs.google.com':443
  • 'an######s.mercadolivre.com':443
  • 're###tcha.net':443
  • 'google.com':443
  • 'go###e.com.br':443
  • 'gs##tic.com':443
  • 'do##########cstext.googleusercontent.com':443
  • 'an#######.mercadopago.com.br':443
  • 'an######s.mercadopago.com':443
  • 'st###.#.doubleclick.net':443
  • 'js#####t.newrelic.com':443
  • 'ap#.###cadolibre.com':443
  • 'ma##.##rcadolivre.com':443
  • 'me####olibre.com':443
  • 'ba#.#r-data.net':443
  • 'sb.#####cardresearch.com':443
  • 'im######n-com.akamaized.net':443
UDP
  • DNS ASK me####opago.com.br
  • DNS ASK co####.edge.skype.com
  • DNS ASK cr#.####g2.amazontrust.com
  • DNS ASK x.##2.us
  • DNS ASK me####olivre.com
  • DNS ASK go#####a###ytics.com
  • DNS ASK da##.##rcadolibre.com
  • DNS ASK google.com
  • DNS ASK go###e.com.br
  • DNS ASK ht###.mlstatic.com
  • DNS ASK re###tcha.net
  • DNS ASK pk#.goog
  • DNS ASK docs.google.com
  • DNS ASK gs##tic.com
  • DNS ASK do##########cstext.googleusercontent.com
  • DNS ASK an######s.mercadolivre.com
  • DNS ASK an######s.mercadopago.com
  • DNS ASK an#######.mercadopago.com.br
  • DNS ASK st###.#.doubleclick.net
  • DNS ASK re#######ion.mercadopago.com.br
  • DNS ASK policies.google.com
  • DNS ASK js#####t.newrelic.com
  • DNS ASK ap#.###cadolibre.com
  • DNS ASK un##fined
  • DNS ASK ma##.##rcadolivre.com
  • DNS ASK me####olibre.com
  • DNS ASK ba#.#r-data.net
  • DNS ASK sb.#####cardresearch.com
  • DNS ASK im######n-com.akamaized.net
Miscellaneous
Searches for the following windows
  • ClassName: 'Registry Monitor - Sysinternals: www.sysinternals.com' WindowName: ''
  • ClassName: '18467-41' WindowName: ''
  • ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Microsoft\Edge\User Data'
  • ClassName: '' WindowName: 'https://www.mercadolivre.com/jms/mlb/lgz/login?platform_id=mp&go=https%3a%2f%2fwww.mercadopago.com.br%2fbanking%2fbalance&logintype=explicit - profile 1 - microsoft​ ...
Executes the following
  • '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument https://www.mercadopago.com.br/banking/balance
  • '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate https://www.mercadopago.com.br/banking/balance
  • '%ProgramFiles(x86)%\microsoft\edge\application\89.0.774.68\identity_helper.exe' --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1808,17384610958572565314,14127903803990744595,131072 --lang=en-US --service-sandbox-type=none --mojo...
  • '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate https://www.mercadopago.com.br/banking/balance' (with hidden window)

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.
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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.

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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