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Trojan.PWS.Siggen1.28081
Added to the Dr.Web virus database:
2014-04-29
Virus description added:
2014-04-30
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'oTimer' = '%APPDATA%\OT\oTimer.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wjplay2_20140414173322' = '"%PROGRAM_FILES%\wjplay2\20140414173322\wjplay.exe" -mini'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wjplay2_News_20140414173322' = '"%PROGRAM_FILES%\wjplay2\20140414173322\WJSpeed.exe" -mini'
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\Txssvr Service] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\meinvying\meinvying.exe' = '%PROGRAM_FILES%\meinvying\meinvying.exe:*:Enabled:ГАЕ®УЄ'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\Your Product\woayavc_30309.exe' = '%PROGRAM_FILES%\Your Product\woayavc_30309.exe:*:Enabled:百度杀毒在线安装程序'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\Your Product\woayavc_30309.exe' = '%PROGRAM_FILES%\Your Product\woayavc_30309.exe:*:Enabled:百度杀毒在线安装程序'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\nsq3.tmp\meinvying.exe' = '%TEMP%\nsq3.tmp\meinvying.exe:*:Enabled:ГАЕ®УЄ'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\Your Product\qrgxdr_70739.exe' = '%PROGRAM_FILES%\Your Product\qrgxdr_70739.exe:*:Enabled:百度卫士在线安装程序'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\Your Product\qrgxdr_70739.exe' = '%PROGRAM_FILES%\Your Product\qrgxdr_70739.exe:*:Enabled:百度卫士在线安装程序'
Creates and executes the following:
'%TEMP%\nsx6.tmp\nsD.tmp' sc create "Txssvr Service" binPath= "%PROGRAM_FILES%\aiqngz3.8\Txsvr.exe" start= auto
'%TEMP%\nsx6.tmp\nsE.tmp' sc description "Txssvr Service" "Txssvr Service"
'%PROGRAM_FILES%\wjplay2\20140414173322\WJSpeed.exe'
'%PROGRAM_FILES%\wjplay2\20140414173322\wjplay.exe' -mini
'%APPDATA%\OT\oTimer.exe'
'%APPDATA%\OT\oUpdater.exe' -uploaddata
'%APPDATA%\OT\oUpdater.exe' -update
'%APPDATA%\OT\oInfo.exe'
'%PROGRAM_FILES%\aiqngz3.8\Aiqngz3.8.exe'
'%PROGRAM_FILES%\aiqngz3.8\fastlo.exe' /s
'%PROGRAM_FILES%\Your Product\-8670_2508_mny.exe'
'%PROGRAM_FILES%\Your Product\pczh_107_2508.exe'
'%PROGRAM_FILES%\Your Product\setup_open_4705-2508.exe'
'%TEMP%\_ir_sf_temp_0\irsetup.exe' __IRAOFF:629794 "__IRAFN:<Full path to virus>" "__IRCT:1" "__IRTSS:0" "__IRSID:S-1-5-21-2052111302-484763869-725345543-1003"
'%PROGRAM_FILES%\Your Product\22222221.exe'
'%TEMP%\nsq3.tmp\meinvying.exe' /fix
'%PROGRAM_FILES%\meinvying\meinvying.exe' /A
'%PROGRAM_FILES%\Your Product\sonlinetime_1308.exe'
'%PROGRAM_FILES%\Your Product\qrgxdr_70739.exe'
'%PROGRAM_FILES%\Your Product\woayavc_30309.exe'
Executes the following:
'<SYSTEM32>\sc.exe' description "Txssvr Service" "Txssvr Service"
'<SYSTEM32>\sc.exe' create "Txssvr Service" binPath= "%PROGRAM_FILES%\aiqngz3.8\Txsvr.exe" start= auto
'<SYSTEM32>\taskkill.exe' /F /im mvhd.exe
Searches for registry branches where third party applications store passwords:
[<HKCU>\Software\FlashFXP]
Modifies file system :
Creates the following files:
Deletes the following files:
%TEMP%\nsx6.tmp\Inetc.dll
%TEMP%\nsx6.tmp\Math.dll
%TEMP%\nsx6.tmp\nsE.tmp
%TEMP%\nsx6.tmp\Base64.dll
%TEMP%\nsx6.tmp\NSISdl.dll
%TEMP%\nsx6.tmp\System.dll
%TEMP%\nsx6.tmp\md5dll.dll
%TEMP%\nsx6.tmp\nsExec.dll
%TEMP%\nsq3.tmp\meinvying.exe
%TEMP%\nsq3.tmp\System.dll
%TEMP%\_ir_sf_temp_0\irsetup.dat
%PROGRAM_FILES%\Your Product\Uninstall\uni1.tmp
%HOMEPATH%\Templates\142014417331915\YYM_955WD30.gif
%TEMP%\nsx6.tmp\nsD.tmp
%TEMP%\tmpSKZXComm.zip
%TEMP%\tmpSKZXSteup.zip
Network activity:
Connects to:
'localhost':1050
'localhost':1054
'localhost':1058
'<Private IP address>':445
'localhost':1039
'xu#.###ogin2.tenpay.com':443
UDP:
DNS ASK tv.###ingzhihui.com
DNS ASK cl####.095518.com
DNS ASK tj.###ingzhihui.com
DNS ASK sh###.baidu.com
DNS ASK m1.##0308.com
DNS ASK tj###.meinvying.net
DNS ASK up####.180308.com
DNS ASK up####.095518.com
DNS ASK up####.035668.com
DNS ASK cl####.180308.com
DNS ASK tj.#uji.com
DNS ASK tj#.##invying.net
DNS ASK p.#.#aidu.com
DNS ASK xu#.###ogin2.tenpay.com
DNS ASK up####.aiqingzhihui.com
DNS ASK m1.##5668.com
DNS ASK up###e.wuji.com
DNS ASK we####.baidu.com
DNS ASK we#.##invying.net
DNS ASK wj.#uji.com
Miscellaneous:
Searches for the following windows:
ClassName: 'TFormHuodongMini' WindowName: '(null)'
ClassName: '(null)' WindowName: '(null)'
ClassName: 'TFormTips' WindowName: '(null)'
ClassName: 'TFormLoginTips' WindowName: '(null)'
ClassName: 'SysListView32' WindowName: '(null)'
ClassName: 'MS_WINHELP' WindowName: '(null)'
ClassName: '#32770' WindowName: '(null)'
ClassName: 'WujiPlayer' WindowName: '????????'
ClassName: 'OnLineWnd' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'BDMOnLineWnd' WindowName: '(null)'
ClassName: 'THtmFormShow' WindowName: '(null)'
ClassName: 'TFormMini' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'TMeiNvYMainForm' WindowName: '(null)'
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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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