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Trojan.PWS.Siggen2.35670

Added to the Dr.Web virus database: 2019-10-20

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • %APPDATA%\microsoft\windows\start menu\programs\startup\<File name>.exe
Malicious functions
Injects code into
the following user processes:
  • svchost.exe
Searches for registry branches where third party applications store passwords
  • [<HKCU>\Software\Microsoft\MSNMessenger]
  • [<HKLM>\Software\Wow6432Node\Westwood\Nox]
  • [<HKLM>\SOFTWARE\Wow6432Node\Nero\Installation\Families\Nero 8\Info]
  • [<HKLM>\Software\Wow6432Node\Nero\Installation\Families\Nero 7\Info]
  • [<HKLM>\SOFTWARE\Wow6432Node\Ahead\Nero - Burning Rom\Info]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\Medal of Honor Airborne]
  • [<HKCU>\Software\JSG\Matrix Saver V2]
  • [<HKLM>\SOFTWARE\Wow6432Node\Macromedia\Dreamweaver\7\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\Macromedia\Fireworks\7\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\Macromedia\Flash\7\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\NuMega\SmartCheck]
  • [<HKCU>\Software\3d0\Status Legends of Might and Magic]
  • [<HKCU>\Software\JoWooD\InstalledGames\IG2]
  • [<HKLM>\SOFTWARE\Wow6432Node\Ahead\InCD]
  • [<HKLM>\Software\Wow6432Node\IGI 2 Retail\CDKey]
  • [<HKLM>\Software\Wow6432Node\Illusion Softworks\Hidden & Dangerous 2]
  • [<HKCU>\Software\Valve\Half-Life\Settings]
  • [<HKLM>\SOFTWARE\Wow6432Node\Headlight\GetRight]
  • [<HKLM>\Software\Wow6432Node\THQ\Frontlines: Fuel of War]
  • [<HKLM>\Software\Wow6432Node\THQ\Frontlines: Fuel of War Beta]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\EA Sports\FIFA 07\ergc]
  • [<HKLM>\Software\Wow6432Node\AVConverter\iPod Converter]
  • [<HKLM>\Software\Wow6432Node\OnlineTVPlayer\RegInfo]
  • [<HKLM>\SOFTWARE\Wow6432Node\O&O\O&O Defrag\8.0\Pro\licenses]
  • [<HKLM>\SOFTWARE\Wow6432Node\PowerQuest\PartitionMagic\8.0\UserInfo]
  • [<HKLM>\SOFTWARE\Wow6432Node\TuneUp\Utilities\6.0]
  • [<HKLM>\SOFTWARE\Wow6432Node\Pegasys Inc.\TMPGEnc DVD Author\1.0]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\Sims\The Sims 3\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\EA Games\The Sims 2 Glamour Life Stuff\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\EA Games\The Sims 2 Open For Business\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\EA Games\The Sims 2 Nightlife\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\EA Games\The Sims 2 University\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\TexasCalc\License]
  • [<HKLM>\Software\Wow6432Node\TechSmith\SnagIt\8]
  • [<HKLM>\SOFTWARE\Wow6432Node\THQ\Gas Powered Games\Supreme Commander]
  • [<HKLM>\Software\Wow6432Node\Ubisoft\Splinter Cell Pandora Tomorrow]
  • [<HKLM>\Software\Wow6432Node\Steganos\SIAVPN]
  • [<HKLM>\SOFTWARE\Wow6432Node\LucasArts\Star Wars Battlefront II\1.1]
  • [<HKLM>\SOFTWARE\Wow6432Node\LucasArts\Star Wars Battlefront II\1.0]
  • [<HKLM>\SOFTWARE\Wow6432Node\GSC Game World\STALKER-SHOC]
  • [<HKCU>\Software\Ubisoft\SILENT HUNTER III\Keys]
  • [<HKLM>\SOFTWARE\Wow6432Node\Atari\Sid Meier's Pirates!]
  • [<HKLM>\Software\Wow6432Node\Red Storm Entertainment\RAVENSHIELD]
  • [<HKLM>\Software\Wow6432Node\KONAMI\PES2008]
  • [<HKLM>\Software\Wow6432Node\EnTech\PowerStrip]
  • [<HKCU>\Software\Passware\Windows Key\7\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\Electronic Arts\EA Sports\FIFA 2005\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\TuneUp\Utilities\7.0]
  • [<HKLM>\Software\Wow6432Node\Electronic Arts\EA Sports\FIFA 2004\ergc]
  • [<HKLM>\Software\Wow6432Node\Electronic Arts\EA Sports\FIFA 2002\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\Elcom\Advanced ZIP Password Recovery\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\Elcom\Advanced PDF Password Recovery Pro\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\Elcom\Advanced PDF Password Recovery\Registration]
  • [<HKLM>\SOFTWARE\Wow6432Node\Adobe\Photoshop\7.0\Registration]
  • [<HKCU>\Software\Eugen Systems\ActOfWar]
  • [<HKLM>\SOFTWARE\Wow6432Node\ACD Systems\PicaView]
  • [<HKCU>\Software\Microsoft\Windows Live Mail]
  • [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
  • [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
  • [<HKLM>\Software\Wow6432Node\Sunflowers\Anno 1701]
  • [<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
  • [<HKCU>\Software\Paltalk]
  • [<HKCU>\Software\Google\Google Talk\Accounts]
  • [<HKCU>\Software\Mirabilis\ICQ\NewOwners]
  • [<HKLM>\Software\Wow6432Node\Mirabilis\ICQ\NewOwners]
  • [<HKCU>\Software\Yahoo\Pager]
  • [<HKCU>\Software\AIM\AIMPRO]
  • [<HKCU>\Software\America Online\AIM6\Passwords]
  • [<HKCU>\Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Users]
  • [<HKCU>\Software\Microsoft\IdentityCRL]
  • [<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
  • [<HKLM>\Software\Wow6432Node\ashampoo\Ashampoo WinOptimizer Platinum 3]
  • [<HKCU>\Software\@stake\LC5\Registration]
  • [<HKLM>\Software\Wow6432Node\Activision\Call of Duty]
  • [<HKLM>\SOFTWARE\Wow6432Node\CRYTEK\FARCRY2\UBI.COM]
  • [<HKLM>\SOFTWARE\Wow6432Node\CRYTEK\FARCRY\UBI.COM]
  • [<HKLM>\Software\Wow6432Node\F-Secure\BackWeb\iLauncher]
  • [<HKCU>\Software\Sierra\CDKey]
  • [<HKLM>\Software\Wow6432Node\Sierra\Empire Earth II]
  • [<HKLM>\Software\Wow6432Node\DVD Audio Extractor\Settings]
  • [<HKLM>\SOFTWARE\Wow6432Node\THQ\Dawn Of War]
  • [<HKCU>\Software\Valve\Day of Defeat\Settings]
  • [<HKLM>\SOFTWARE\Wow6432Node\CyberLink\PowerProducer\3.0\UserReg]
  • [<HKLM>\SOFTWARE\Wow6432Node\Cyberlink\PowerBar]
  • [<HKLM>\SOFTWARE\Wow6432Node\Cyberlink\PowerDVD]
  • [<HKCU>\Software\Valve\Counter-Strike\Settings]
  • [<HKLM>\SOFTWARE\Wow6432Node\THQ\Company of Heroes]
  • [<HKLM>\Software\Wow6432Node\Westwood\Tiberian Sun]
  • [<HKLM>\Software\Wow6432Node\Westwood\Red Alert]
  • [<HKLM>\Software\Wow6432Node\Westwood\Red Alert 2]
  • [<HKLM>\Software\Wow6432Node\Codec Tweak Tool]
  • [<HKLM>\Software\Wow6432Node\Techland\Chrome]
  • [<HKLM>\SOFTWARE\Wow6432Node\TechSmith\Camtasia Studio\4.0]
  • [<HKLM>\Software\Wow6432Node\Activision\Call of Duty 4]
  • [<HKLM>\Software\Wow6432Node\Activision\Call of Duty 2]
  • [<HKLM>\Software\Wow6432Node\Electronic Arts\EA Sports\FIFA 2003\ergc]
  • [<HKLM>\SOFTWARE\Wow6432Node\Nullsoft\Winamp]
Reads files which store third party applications passwords
  • <LS_APPDATA>\google\chrome\user data\default\web data
  • <LS_APPDATA>\google\chrome\user data\default\login data
Modifies file system
Creates the following files
  • %APPDATA%\svchost.exe
  • %TEMP%\cm5ori80.0.cs
  • %TEMP%\cm5ori80.cmdline
  • %TEMP%\cm5ori80.out
  • %TEMP%\cscd1ce.tmp
  • %TEMP%\resd1cf.tmp
  • %TEMP%\cm5ori80.dll
  • <Current directory>\dns.bat
  • %APPDATA%\dial.dat
  • %APPDATA%\chro.dat
  • %APPDATA%\ffox.dat
  • %APPDATA%\opra.dat
Deletes the following files
  • %TEMP%\resd1cf.tmp
  • %TEMP%\cscd1ce.tmp
  • %TEMP%\cm5ori80.cmdline
  • %TEMP%\cm5ori80.out
  • %TEMP%\cm5ori80.0.cs
  • %TEMP%\cm5ori80.dll
  • <Current directory>\dns.bat
  • %APPDATA%\dial.dat
  • %APPDATA%\chro.dat
  • %APPDATA%\ffox.dat
  • %APPDATA%\opra.dat
Modifies the HOSTS file.
Network activity
UDP
  • DNS ASK bl####hades.info
Miscellaneous
Creates and executes the following
  • '%APPDATA%\svchost.exe'
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\mess.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\mail.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\dial.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\chro.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\iexp.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\ptsg.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\ffox.dat"
  • '%APPDATA%\svchost.exe' /stext "%APPDATA%\opra.dat"
  • '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cm5ori80.cmdline"' (with hidden window)
  • '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD1CF.tmp" "%TEMP%\CSCD1CE.tmp"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /c ""<Current directory>\DNS.bat" "' (with hidden window)
Executes the following
  • '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cm5ori80.cmdline"
  • '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD1CF.tmp" "%TEMP%\CSCD1CE.tmp"
  • '%WINDIR%\syswow64\cmd.exe' /c ""<Current directory>\DNS.bat" "
  • '%WINDIR%\syswow64\ipconfig.exe' /flushdnsipconfig/releaseipconfig/renew

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.

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

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  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.

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