Trojan.Encoder.35510

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'BSOD.exe'
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '%WINDIR%\BSOD.exe'

Malicious functions

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)

blocks the following features:

User Account Control (UAC)

Reads files which store third party applications passwords

%HOMEPATH%\desktop\508softwareandos.doc
%HOMEPATH%\desktop\aoc_saq_d_v3_merchant.docx
%HOMEPATH%\desktop\browse.htm
%HOMEPATH%\desktop\contosoroot.cer
%HOMEPATH%\desktop\contosoroot_1.cer
%HOMEPATH%\desktop\file_p_00000000_1371597592.docx
%HOMEPATH%\desktop\holycrosschurchinstructions.docx
%HOMEPATH%\desktop\iisstart.htm
%HOMEPATH%\desktop\ituneshelpunavailable.htm
%HOMEPATH%\desktop\lisp_success.doc
%HOMEPATH%\desktop\thlps_keeper_mayer_1965.docx
%HOMEPATH%\desktop\toolbar.bmp

Modifies file system

Creates the following files

%ProgramFiles%\desktop.ini.crypt
%WINDIR%\syswow64\msvcr71d.pdb.crypt
%WINDIR%\syswow64\msvcr90d.dll.crypt
%WINDIR%\syswow64\noise.chs.crypt
%WINDIR%\syswow64\noise.cht.crypt
%WINDIR%\syswow64\noise.dat.crypt
%WINDIR%\syswow64\noise.kor.crypt
%WINDIR%\syswow64\noise.tha.crypt
%WINDIR%\syswow64\perfstringbackup.ini.crypt
%WINDIR%\syswow64\ticrf.rat.crypt
%WINDIR%\syswow64\ucrtbased.dll.crypt
%WINDIR%\syswow64\vcamp110.dll.crypt
%WINDIR%\syswow64\vcamp120.dll.crypt
%WINDIR%\syswow64\msvcr71.dll.crypt
%WINDIR%\syswow64\msvcr71.pdb.crypt
%WINDIR%\syswow64\vcamp140.dll.crypt
%WINDIR%\syswow64\vccorlib120.dll.crypt
%WINDIR%\syswow64\vccorlib120d.dll.crypt
%WINDIR%\syswow64\vccorlib140.dll.crypt
%WINDIR%\syswow64\vccorlib140d.dll.crypt
%WINDIR%\syswow64\vcomp100.dll.crypt
%WINDIR%\syswow64\vcomp110.dll.crypt
%WINDIR%\syswow64\vcomp120.dll.crypt
%WINDIR%\syswow64\vcomp140.dll.crypt
%WINDIR%\syswow64\vcruntime140.dll.crypt
%WINDIR%\syswow64\vcruntime140d.dll.crypt
%WINDIR%\syswow64\vfpodbc.dll.crypt
%WINDIR%\syswow64\x264vfw.dll.crypt
%WINDIR%\syswow64\vccorlib110.dll.crypt
%WINDIR%\syswow64\vccorlib110d.dll.crypt
%WINDIR%\syswow64\msvcr70.dll.crypt
%WINDIR%\syswow64\msvcr120d.dll.crypt
%WINDIR%\syswow64\msvcr120.dll.crypt
%WINDIR%\syswow64\mfcm100u.dll.crypt
%WINDIR%\syswow64\mfcm110.dll.crypt
%WINDIR%\syswow64\mfcm110u.dll.crypt
%WINDIR%\syswow64\mfcm120.dll.crypt
%WINDIR%\syswow64\mfcm120u.dll.crypt
%WINDIR%\syswow64\mfcm140.dll.crypt
%WINDIR%\syswow64\mfcm140u.dll.crypt
%WINDIR%\syswow64\msclmd.dll.crypt
%WINDIR%\syswow64\msvcm90d.dll.crypt
%WINDIR%\syswow64\msvcp100.dll.crypt
%WINDIR%\syswow64\msvcp100d.dll.crypt
%WINDIR%\syswow64\msvcp110.dll.crypt
%WINDIR%\syswow64\msvcp110d.dll.crypt
%WINDIR%\syswow64\mfcm100.dll.crypt
%WINDIR%\syswow64\msvcp110_clr0400.dll.crypt
%WINDIR%\syswow64\msvcp120d.dll.crypt
%WINDIR%\syswow64\msvcp120_clr0400.dll.crypt
%WINDIR%\syswow64\msvcp140.dll.crypt
%WINDIR%\syswow64\msvcp140d.dll.crypt
%WINDIR%\syswow64\msvcp70.dll.crypt
%WINDIR%\syswow64\msvcp71.dll.crypt
%WINDIR%\syswow64\msvcp90d.dll.crypt
%WINDIR%\syswow64\msvcr100.dll.crypt
%WINDIR%\syswow64\msvcr100d.dll.crypt
%WINDIR%\syswow64\msvcr100_clr0400.dll.crypt
%WINDIR%\syswow64\msvcr110.dll.crypt
%WINDIR%\syswow64\msvcr110d.dll.crypt
%WINDIR%\syswow64\msvcr110_clr0400.dll.crypt
%WINDIR%\syswow64\msvcp120.dll.crypt
%WINDIR%\syswow64\x3daudio1_0.dll.crypt
%WINDIR%\syswow64\x3daudio1_2.dll.crypt
%HOMEPATH%\desktop\nano_decrypt0r.txt
%WINDIR%\syswow64\x3daudio1_3.dll.crypt
%WINDIR%\syswow64\xaudio2_5.dll.crypt
%WINDIR%\syswow64\xaudio2_6.dll.crypt
%WINDIR%\syswow64\xaudio2_7.dll.crypt
%WINDIR%\syswow64\xinput1_1.dll.crypt
%WINDIR%\syswow64\xinput1_2.dll.crypt
%WINDIR%\syswow64\xinput1_3.dll.crypt
%WINDIR%\syswow64\xvidcore.dll.crypt
%WINDIR%\syswow64\xvidvfw.dll.crypt
%HOMEPATH%\ntuser.ini.crypt
%HOMEPATH%\documents\desktop.ini.crypt
%HOMEPATH%\music\desktop.ini.crypt
%HOMEPATH%\pictures\desktop.ini.crypt
%WINDIR%\syswow64\xaudio2_3.dll.crypt
%WINDIR%\syswow64\xaudio2_4.dll.crypt
%HOMEPATH%\videos\desktop.ini.crypt
%HOMEPATH%\desktop\desktop.ini.crypt
%HOMEPATH%\desktop\dotnetfx45_full_setup.exe.crypt
%HOMEPATH%\desktop\icq.lnk.crypt
%HOMEPATH%\desktop\mail.ru agent.lnk.crypt
%HOMEPATH%\desktop\notepad.exe.crypt
%HOMEPATH%\desktop\qip 2012.lnk.crypt
%HOMEPATH%\desktop\tcm851ax32.exe.crypt
%HOMEPATH%\desktop\telegram.lnk.crypt
%HOMEPATH%\desktop\total commander 64 bit.lnk.crypt
%HOMEPATH%\desktop\winmine.exe.crypt
%HOMEPATH%\desktop\wrar520.exe.crypt
<Current directory>\desktop.jpg
%HOMEPATH%\desktop\508softwareandos.doc.crypt
%HOMEPATH%\desktop\calc.exe.crypt
%WINDIR%\syswow64\xaudio2_2.dll.crypt
%WINDIR%\syswow64\xaudio2_1.dll.crypt
%WINDIR%\syswow64\xaudio2_0.dll.crypt
%WINDIR%\syswow64\x3daudio1_5.dll.crypt
%WINDIR%\syswow64\x3daudio1_6.dll.crypt
%WINDIR%\syswow64\x3daudio1_7.dll.crypt
%WINDIR%\syswow64\xactengine2_0.dll.crypt
%WINDIR%\syswow64\xactengine2_1.dll.crypt
%WINDIR%\syswow64\xactengine2_10.dll.crypt
%WINDIR%\syswow64\xactengine2_2.dll.crypt
%WINDIR%\syswow64\xactengine2_3.dll.crypt
%WINDIR%\syswow64\xactengine2_4.dll.crypt
%WINDIR%\syswow64\xactengine2_5.dll.crypt
%WINDIR%\syswow64\xactengine2_6.dll.crypt
%WINDIR%\syswow64\xactengine2_7.dll.crypt
%WINDIR%\syswow64\xactengine2_8.dll.crypt
%WINDIR%\syswow64\x3daudio1_4.dll.crypt
%WINDIR%\syswow64\xactengine2_9.dll.crypt
%WINDIR%\syswow64\xactengine3_1.dll.crypt
%WINDIR%\syswow64\xactengine3_2.dll.crypt
%WINDIR%\syswow64\xactengine3_3.dll.crypt
%WINDIR%\syswow64\xactengine3_4.dll.crypt
%WINDIR%\syswow64\xactengine3_5.dll.crypt
%WINDIR%\syswow64\xactengine3_6.dll.crypt
%WINDIR%\syswow64\xactengine3_7.dll.crypt
%WINDIR%\syswow64\xapofx1_0.dll.crypt
%WINDIR%\syswow64\xapofx1_1.dll.crypt
%WINDIR%\syswow64\xapofx1_2.dll.crypt
%WINDIR%\syswow64\xapofx1_3.dll.crypt
%WINDIR%\syswow64\xapofx1_4.dll.crypt
%WINDIR%\syswow64\xapofx1_5.dll.crypt
%WINDIR%\syswow64\xactengine3_0.dll.crypt
%WINDIR%\syswow64\mfc140u.dll.crypt
%WINDIR%\syswow64\x3daudio1_1.dll.crypt
%WINDIR%\syswow64\mfc140rus.dll.crypt
%WINDIR%\syswow64\d3dx9_33.dll.crypt
%WINDIR%\syswow64\d3dcompiler_41.dll.crypt
%WINDIR%\syswow64\d3dcompiler_42.dll.crypt
%WINDIR%\syswow64\d3dcompiler_43.dll.crypt
%WINDIR%\syswow64\d3dcsx_42.dll.crypt
%WINDIR%\syswow64\d3dcsx_43.dll.crypt
%WINDIR%\syswow64\d3dx10.dll.crypt
%WINDIR%\syswow64\d3dx10_33.dll.crypt
%WINDIR%\syswow64\d3dx10_34.dll.crypt
%WINDIR%\syswow64\d3dx10_35.dll.crypt
%WINDIR%\syswow64\d3dx10_36.dll.crypt
%WINDIR%\syswow64\d3dx10_37.dll.crypt
%WINDIR%\syswow64\d3dx10_38.dll.crypt
%WINDIR%\syswow64\d3dcompiler_39.dll.crypt
%WINDIR%\syswow64\d3dcompiler_40.dll.crypt
%WINDIR%\syswow64\d3dx10_39.dll.crypt
%WINDIR%\syswow64\d3dx10_42.dll.crypt
%WINDIR%\syswow64\d3dx10_43.dll.crypt
%WINDIR%\syswow64\d3dx11_42.dll.crypt
%WINDIR%\syswow64\d3dx11_43.dll.crypt
%WINDIR%\syswow64\d3dx9_24.dll.crypt
%WINDIR%\syswow64\d3dx9_25.dll.crypt
%WINDIR%\syswow64\d3dx9_26.dll.crypt
%WINDIR%\syswow64\d3dx9_27.dll.crypt
%WINDIR%\syswow64\d3dx9_28.dll.crypt
%WINDIR%\syswow64\d3dx9_29.dll.crypt
%WINDIR%\syswow64\d3dx9_30.dll.crypt
%WINDIR%\syswow64\d3dx9_31.dll.crypt
%WINDIR%\syswow64\d3dx10_40.dll.crypt
%WINDIR%\syswow64\d3dx10_41.dll.crypt
%WINDIR%\syswow64\d3dcompiler_38.dll.crypt
%WINDIR%\syswow64\d3dcompiler_37.dll.crypt
%WINDIR%\syswow64\d3dcompiler_36.dll.crypt
C:\users\desktop.ini.crypt
%WINDIR%\bootstat.dat.crypt
%WINDIR%\directx.log.crypt
%WINDIR%\dtcinstall.log.crypt
%WINDIR%\enterprise.xml.crypt
%WINDIR%\flash_sa.exe.crypt
%WINDIR%\msdfmap.ini.crypt
%WINDIR%\ntbtlog.txt.crypt
%WINDIR%\ocsetup_cbs_uninstall_searchengine-client-package.txt.crypt
%WINDIR%\ocsetup_uninstall_searchengine-client-package.etl.crypt
%WINDIR%\pfro.log.crypt
%WINDIR%\setupact.log.crypt
%WINDIR%\setuperr.log.crypt
%ProgramFiles(x86)%\desktop.ini.crypt
%WINDIR%\starter.xml.crypt
%WINDIR%\tssysprep.log.crypt
%WINDIR%\win.ini.crypt
%WINDIR%\windowsupdate.log.crypt
%WINDIR%\syswow64\ac3acm.acm.crypt
%WINDIR%\syswow64\aspnet_counters.dll.crypt
%WINDIR%\syswow64\atl100.dll.crypt
%WINDIR%\syswow64\atl110.dll.crypt
%WINDIR%\syswow64\atl71.dll.crypt
%WINDIR%\syswow64\concrt140.dll.crypt
%WINDIR%\syswow64\concrt140d.dll.crypt
%WINDIR%\syswow64\d3dcompiler_33.dll.crypt
%WINDIR%\syswow64\d3dcompiler_34.dll.crypt
%WINDIR%\syswow64\d3dcompiler_35.dll.crypt
%WINDIR%\system.ini.crypt
%WINDIR%\syswow64\d3dx9_32.dll.crypt
%WINDIR%\syswow64\d3dx9_34.dll.crypt
%WINDIR%\syswow64\mfc140jpn.dll.crypt
%WINDIR%\syswow64\d3dx9_35.dll.crypt
%WINDIR%\syswow64\mfc110esn.dll.crypt
%WINDIR%\syswow64\mfc110fra.dll.crypt
%WINDIR%\syswow64\mfc110ita.dll.crypt
%WINDIR%\syswow64\mfc110jpn.dll.crypt
%WINDIR%\syswow64\mfc110kor.dll.crypt
%WINDIR%\syswow64\mfc110rus.dll.crypt
%WINDIR%\syswow64\mfc110u.dll.crypt
%WINDIR%\syswow64\mfc120.dll.crypt
%WINDIR%\syswow64\mfc120chs.dll.crypt
%WINDIR%\syswow64\mfc120cht.dll.crypt
%WINDIR%\syswow64\mfc120deu.dll.crypt
%WINDIR%\syswow64\mfc120enu.dll.crypt
%WINDIR%\syswow64\mfc110deu.dll.crypt
%WINDIR%\syswow64\mfc110enu.dll.crypt
%WINDIR%\syswow64\mfc120esn.dll.crypt
%WINDIR%\syswow64\mfc120jpn.dll.crypt
%WINDIR%\syswow64\mfc120kor.dll.crypt
%WINDIR%\syswow64\mfc120rus.dll.crypt
%WINDIR%\syswow64\mfc120u.dll.crypt
%WINDIR%\syswow64\mfc140.dll.crypt
%WINDIR%\syswow64\mfc140chs.dll.crypt
%WINDIR%\syswow64\mfc140cht.dll.crypt
%WINDIR%\syswow64\mfc140deu.dll.crypt
%WINDIR%\syswow64\mfc140enu.dll.crypt
%WINDIR%\syswow64\mfc140esn.dll.crypt
%WINDIR%\syswow64\mfc140fra.dll.crypt
%WINDIR%\syswow64\mfc140ita.dll.crypt
%WINDIR%\syswow64\mfc120fra.dll.crypt
%WINDIR%\syswow64\mfc120ita.dll.crypt
%WINDIR%\syswow64\mfc110cht.dll.crypt
%WINDIR%\syswow64\mfc110chs.dll.crypt
%WINDIR%\syswow64\mfc110.dll.crypt
%WINDIR%\syswow64\d3dx9_37.dll.crypt
%WINDIR%\syswow64\d3dx9_38.dll.crypt
%WINDIR%\syswow64\d3dx9_39.dll.crypt
%WINDIR%\syswow64\d3dx9_40.dll.crypt
%WINDIR%\syswow64\d3dx9_41.dll.crypt
%WINDIR%\syswow64\d3dx9_42.dll.crypt
%WINDIR%\syswow64\d3dx9_43.dll.crypt
%WINDIR%\syswow64\dssec.dat.crypt
%WINDIR%\syswow64\ff_vfw.dll.crypt
%WINDIR%\syswow64\flashplayerapp.exe.crypt
%WINDIR%\syswow64\flashplayercplapp.cpl.crypt
%WINDIR%\syswow64\icrav03.rat.crypt
%WINDIR%\syswow64\korwbrkr.lex.crypt
%WINDIR%\syswow64\d3dx9_36.dll.crypt
%WINDIR%\syswow64\lagarith.dll.crypt
%WINDIR%\syswow64\mapisvc.inf.crypt
%WINDIR%\syswow64\mfc100.dll.crypt
%WINDIR%\syswow64\mfc100chs.dll.crypt
%WINDIR%\syswow64\mfc100cht.dll.crypt
%WINDIR%\syswow64\mfc100deu.dll.crypt
%WINDIR%\syswow64\mfc100enu.dll.crypt
%WINDIR%\syswow64\mfc100esn.dll.crypt
%WINDIR%\syswow64\mfc100fra.dll.crypt
%WINDIR%\syswow64\mfc100ita.dll.crypt
%WINDIR%\syswow64\mfc100jpn.dll.crypt
%WINDIR%\syswow64\mfc100kor.dll.crypt
%WINDIR%\syswow64\mfc100rus.dll.crypt
%WINDIR%\syswow64\mfc100u.dll.crypt
%WINDIR%\syswow64\license.rtf.crypt
%WINDIR%\syswow64\mfc140kor.dll.crypt
%HOMEPATH%\desktop\faq.txt

Deletes the following files

%WINDIR%\bootstat.dat
%WINDIR%\syswow64\msvcp90d.dll
%WINDIR%\syswow64\msvcr100.dll
%WINDIR%\syswow64\msvcr100d.dll
%WINDIR%\syswow64\msvcr100_clr0400.dll
%WINDIR%\syswow64\msvcr110.dll
%WINDIR%\syswow64\msvcr110d.dll
%WINDIR%\syswow64\msvcr110_clr0400.dll
%WINDIR%\syswow64\msvcr120.dll
%WINDIR%\syswow64\msvcr120d.dll
%WINDIR%\syswow64\msvcr120_clr0400.dll
%WINDIR%\syswow64\msvcr70.dll
%WINDIR%\syswow64\mfcm120.dll
%WINDIR%\syswow64\msvcr71.dll
%WINDIR%\syswow64\msvcr71d.pdb
%WINDIR%\syswow64\msvcr90d.dll
%WINDIR%\syswow64\noise.chs
%WINDIR%\syswow64\noise.cht
%WINDIR%\syswow64\noise.dat
%WINDIR%\syswow64\noise.kor
%WINDIR%\syswow64\noise.tha
%WINDIR%\syswow64\perfstringbackup.ini
%WINDIR%\syswow64\ticrf.rat
%WINDIR%\syswow64\ucrtbased.dll
%WINDIR%\syswow64\vcamp110.dll
%WINDIR%\syswow64\msvcp70.dll
%WINDIR%\syswow64\msvcp71.dll
%WINDIR%\syswow64\msvcp140d.dll
%WINDIR%\syswow64\msvcp140.dll
%WINDIR%\syswow64\msvcp120_clr0400.dll
%WINDIR%\syswow64\mfc140enu.dll
%WINDIR%\syswow64\mfc140esn.dll
%WINDIR%\syswow64\mfc140fra.dll
%WINDIR%\syswow64\mfc140ita.dll
%WINDIR%\syswow64\mfc140jpn.dll
%WINDIR%\syswow64\mfc140kor.dll
%WINDIR%\syswow64\mfc140rus.dll
%WINDIR%\syswow64\mfc140u.dll
%WINDIR%\syswow64\mfcm100.dll
%WINDIR%\syswow64\mfcm100u.dll
%WINDIR%\syswow64\mfcm110.dll
%WINDIR%\syswow64\vcamp120.dll
%WINDIR%\syswow64\msvcr71.pdb
%WINDIR%\syswow64\mfcm110u.dll
%WINDIR%\syswow64\mfcm140.dll
%WINDIR%\syswow64\mfcm140u.dll
%WINDIR%\syswow64\msclmd.dll
%WINDIR%\syswow64\msvcm90d.dll
%WINDIR%\syswow64\msvcp100.dll
%WINDIR%\syswow64\msvcp100d.dll
%WINDIR%\syswow64\msvcp110.dll
%WINDIR%\syswow64\msvcp110d.dll
%WINDIR%\syswow64\msvcp110_clr0400.dll
%WINDIR%\syswow64\msvcp120.dll
%WINDIR%\syswow64\msvcp120d.dll
%WINDIR%\syswow64\mfc140deu.dll
%WINDIR%\syswow64\mfcm120u.dll
%WINDIR%\syswow64\vcamp140.dll
%WINDIR%\syswow64\vccorlib110.dll
%WINDIR%\syswow64\vccorlib110d.dll
%WINDIR%\syswow64\xactengine2_9.dll
%WINDIR%\syswow64\xactengine3_0.dll
%WINDIR%\syswow64\xactengine3_1.dll
%WINDIR%\syswow64\xactengine3_2.dll
%WINDIR%\syswow64\xactengine3_3.dll
%WINDIR%\syswow64\xactengine3_4.dll
%WINDIR%\syswow64\xactengine3_5.dll
%WINDIR%\syswow64\xactengine3_6.dll
%WINDIR%\syswow64\xactengine3_7.dll
%WINDIR%\syswow64\xapofx1_0.dll
%WINDIR%\syswow64\xapofx1_1.dll
%WINDIR%\syswow64\xapofx1_2.dll
%WINDIR%\syswow64\xapofx1_4.dll
%WINDIR%\syswow64\mfc140cht.dll
%WINDIR%\syswow64\xapofx1_5.dll
%WINDIR%\syswow64\xaudio2_0.dll
%WINDIR%\syswow64\xaudio2_1.dll
%WINDIR%\syswow64\xaudio2_2.dll
%WINDIR%\syswow64\xaudio2_3.dll
%WINDIR%\syswow64\xaudio2_4.dll
%WINDIR%\syswow64\xaudio2_5.dll
%WINDIR%\syswow64\xaudio2_6.dll
%WINDIR%\syswow64\xaudio2_7.dll
%WINDIR%\syswow64\xinput1_1.dll
%WINDIR%\syswow64\xinput1_2.dll
%WINDIR%\syswow64\xinput1_3.dll
%WINDIR%\syswow64\xactengine2_8.dll
%WINDIR%\syswow64\x3daudio1_1.dll
%WINDIR%\syswow64\xactengine2_7.dll
%WINDIR%\syswow64\x3daudio1_0.dll
%WINDIR%\syswow64\vccorlib120.dll
%WINDIR%\syswow64\vccorlib120d.dll
%WINDIR%\syswow64\vccorlib140.dll
%WINDIR%\syswow64\vccorlib140d.dll
%WINDIR%\syswow64\vcomp100.dll
%WINDIR%\syswow64\vcomp110.dll
%WINDIR%\syswow64\vcomp120.dll
%WINDIR%\syswow64\vcomp140.dll
%WINDIR%\syswow64\vcruntime140.dll
%WINDIR%\syswow64\vcruntime140d.dll
%WINDIR%\syswow64\vfpodbc.dll
%WINDIR%\syswow64\x264vfw.dll
%WINDIR%\syswow64\xvidcore.dll
%WINDIR%\syswow64\xactengine2_5.dll
%WINDIR%\syswow64\x3daudio1_2.dll
%WINDIR%\syswow64\x3daudio1_3.dll
%WINDIR%\syswow64\x3daudio1_4.dll
%WINDIR%\syswow64\x3daudio1_5.dll
%WINDIR%\syswow64\x3daudio1_6.dll
%WINDIR%\syswow64\x3daudio1_7.dll
%WINDIR%\syswow64\xactengine2_0.dll
%WINDIR%\syswow64\xactengine2_1.dll
%WINDIR%\syswow64\xactengine2_10.dll
%WINDIR%\syswow64\xactengine2_2.dll
%WINDIR%\syswow64\xactengine2_3.dll
%WINDIR%\syswow64\xactengine2_4.dll
%WINDIR%\syswow64\xactengine2_6.dll
%WINDIR%\syswow64\xapofx1_3.dll
%WINDIR%\syswow64\mfc140chs.dll
%WINDIR%\syswow64\mfc110kor.dll
%WINDIR%\syswow64\d3dcompiler_40.dll
%WINDIR%\syswow64\d3dcompiler_41.dll
%WINDIR%\syswow64\d3dcompiler_42.dll
%WINDIR%\syswow64\d3dcompiler_43.dll
%WINDIR%\syswow64\d3dcsx_42.dll
%WINDIR%\syswow64\d3dcsx_43.dll
%WINDIR%\syswow64\d3dx10.dll
%WINDIR%\syswow64\d3dx10_33.dll
%WINDIR%\syswow64\d3dx10_34.dll
%WINDIR%\syswow64\d3dx10_35.dll
%WINDIR%\syswow64\d3dx10_36.dll
%WINDIR%\tssysprep.log
%WINDIR%\syswow64\d3dx10_37.dll
%WINDIR%\syswow64\d3dx10_39.dll
%WINDIR%\syswow64\d3dx10_40.dll
%WINDIR%\syswow64\d3dx10_41.dll
%WINDIR%\syswow64\d3dx10_42.dll
%WINDIR%\syswow64\d3dx10_43.dll
%WINDIR%\syswow64\d3dx11_42.dll
%WINDIR%\syswow64\d3dx11_43.dll
%WINDIR%\syswow64\d3dx9_24.dll
%WINDIR%\syswow64\d3dx9_25.dll
%WINDIR%\syswow64\d3dx9_26.dll
%WINDIR%\syswow64\d3dx9_27.dll
%WINDIR%\syswow64\d3dcompiler_38.dll
%WINDIR%\syswow64\d3dcompiler_39.dll
%WINDIR%\syswow64\d3dcompiler_37.dll
%WINDIR%\syswow64\d3dcompiler_36.dll
%WINDIR%\syswow64\d3dcompiler_35.dll
%WINDIR%\dtcinstall.log
%WINDIR%\enterprise.xml
%WINDIR%\flash_sa.exe
%WINDIR%\msdfmap.ini
%WINDIR%\ntbtlog.txt
%WINDIR%\ocsetup_cbs_uninstall_searchengine-client-package.txt
%WINDIR%\ocsetup_uninstall_searchengine-client-package.etl
%WINDIR%\pfro.log
%WINDIR%\setupact.log
%WINDIR%\setuperr.log
%WINDIR%\starter.xml
%WINDIR%\syswow64\d3dx9_28.dll
%WINDIR%\syswow64\d3dx10_38.dll
%WINDIR%\system.ini
%WINDIR%\windowsshell.manifest
%WINDIR%\windowsupdate.log
%WINDIR%\syswow64\ac3acm.acm
%WINDIR%\syswow64\aspnet_counters.dll
%WINDIR%\syswow64\atl100.dll
%WINDIR%\syswow64\atl110.dll
%WINDIR%\syswow64\atl71.dll
%WINDIR%\syswow64\concrt140.dll
%WINDIR%\syswow64\concrt140d.dll
%WINDIR%\syswow64\d3dcompiler_33.dll
%WINDIR%\syswow64\d3dcompiler_34.dll
%WINDIR%\directx.log
%WINDIR%\win.ini
%WINDIR%\syswow64\d3dx9_29.dll
%WINDIR%\syswow64\d3dx9_30.dll
%WINDIR%\syswow64\d3dx9_31.dll
%WINDIR%\syswow64\mfc100kor.dll
%WINDIR%\syswow64\mfc100rus.dll
%WINDIR%\syswow64\mfc100u.dll
%WINDIR%\syswow64\mfc110.dll
%WINDIR%\syswow64\mfc110chs.dll
%WINDIR%\syswow64\mfc110cht.dll
%WINDIR%\syswow64\mfc110deu.dll
%WINDIR%\syswow64\mfc110enu.dll
%WINDIR%\syswow64\mfc110esn.dll
%WINDIR%\syswow64\mfc110fra.dll
%WINDIR%\syswow64\mfc110ita.dll
%WINDIR%\syswow64\mfc110jpn.dll
%WINDIR%\syswow64\mfc110rus.dll
%WINDIR%\syswow64\mfc140.dll
%WINDIR%\syswow64\mfc110u.dll
%WINDIR%\syswow64\mfc120.dll
%WINDIR%\syswow64\mfc120chs.dll
%WINDIR%\syswow64\mfc120cht.dll
%WINDIR%\syswow64\mfc120deu.dll
%WINDIR%\syswow64\mfc120enu.dll
%WINDIR%\syswow64\mfc120esn.dll
%WINDIR%\syswow64\mfc120fra.dll
%WINDIR%\syswow64\mfc120ita.dll
%WINDIR%\syswow64\mfc120jpn.dll
%WINDIR%\syswow64\mfc120kor.dll
%WINDIR%\syswow64\mfc120rus.dll
%WINDIR%\syswow64\mfc100jpn.dll
%WINDIR%\syswow64\ff_vfw.dll
%WINDIR%\syswow64\mfc100ita.dll
%WINDIR%\syswow64\dssec.dat
%WINDIR%\syswow64\d3dx9_32.dll
%WINDIR%\syswow64\d3dx9_33.dll
%WINDIR%\syswow64\d3dx9_34.dll
%WINDIR%\syswow64\d3dx9_35.dll
%WINDIR%\syswow64\d3dx9_36.dll
%WINDIR%\syswow64\d3dx9_37.dll
%WINDIR%\syswow64\d3dx9_38.dll
%WINDIR%\syswow64\d3dx9_39.dll
%WINDIR%\syswow64\d3dx9_40.dll
%WINDIR%\syswow64\d3dx9_41.dll
%WINDIR%\syswow64\d3dx9_42.dll
%WINDIR%\syswow64\d3dx9_43.dll
%WINDIR%\syswow64\mfc120u.dll
%WINDIR%\syswow64\mfc100esn.dll
%WINDIR%\syswow64\flashplayerapp.exe
%WINDIR%\syswow64\flashplayercplapp.cpl
%WINDIR%\syswow64\icrav03.rat
%WINDIR%\syswow64\korwbrkr.lex
%WINDIR%\syswow64\lagarith.dll
%WINDIR%\syswow64\license.rtf
%WINDIR%\syswow64\mapisvc.inf
%WINDIR%\syswow64\mfc100.dll
%WINDIR%\syswow64\mfc100chs.dll
%WINDIR%\syswow64\mfc100cht.dll
%WINDIR%\syswow64\mfc100deu.dll
%WINDIR%\syswow64\mfc100enu.dll
%WINDIR%\syswow64\mfc100fra.dll
%WINDIR%\syswow64\xvidvfw.dll

Changes user data files extensions (Trojan.Encoder).

Network activity

Connects to

'me###fire.com':443
'microsoft.com':80

TCP

HTTP GET requests

http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt

Other

'me###fire.com':443

UDP

DNS ASK me###fire.com
DNS ASK microsoft.com

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\cmd.exe' /k takeown /f <SYSTEM32> && icacls <SYSTEM32> /grant "%username%:F"' (with hidden window)

Executes the following

'%WINDIR%\syswow64\shutdown.exe' -s -t -c You only have 24 hours to complete the payment, if the payment is not made by tomorrow night, we'll brick your entire system.
'%WINDIR%\syswow64\notepad.exe' %HOMEPATH%\Desktop\Nano_Decrypt0r.txt
'%WINDIR%\syswow64\cmd.exe' /k takeown /f <SYSTEM32> && icacls <SYSTEM32> /grant "%username%:F"
'%WINDIR%\syswow64\takeown.exe' /f <SYSTEM32>
'%WINDIR%\syswow64\icacls.exe' <SYSTEM32> /grant "user:F"

Technologies

Terminology

Training and education

Myths

Technical Information

Curing recommendations

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