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Trojan.PWS.Siggen.38032
Added to the Dr.Web virus database:
2012-07-14
Virus description added:
2012-08-04
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '753.exe' = '%PROGRAM_FILES%\LP\8678\753.exe'
Malicious functions:
Creates and executes the following:
%PROGRAM_FILES%\LP\8678\1.tmp
Executes the following:
<SYSTEM32>\msiexec.exe /V
Searches for registry branches where third party applications store passwords:
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Options]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Options]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Main]
[<HKLM>\Software\FlashFXP]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Main]
[<HKCU>\Software\BPFTP]
[<HKCU>\Software\South River Technologies\WebDrive\Connections]
[<HKLM>\Software\South River Technologies\WebDrive\Connections]
[<HKCU>\Software\FTPWare\COREFTP\Sites]
[<HKCU>\Software\Sota\FFFTP\Options]
[<HKCU>\Software\CoffeeCup Software\Internet\Profiles]
[<HKCU>\Software\Far2\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Ghisler\Windows Commander]
[<HKCU>\Software\Far\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Far\Plugins\FTP\Hosts]
[<HKCU>\Software\Far2\Plugins\FTP\Hosts]
[<HKCU>\Software\Ghisler\Total Commander]
[<HKCU>\Software\FlashFXP]
[<HKLM>\Software\FlashFXP\3]
[<HKCU>\Software\FlashFXP\3]
[<HKLM>\Software\Ghisler\Windows Commander]
[<HKLM>\Software\Ghisler\Total Commander]
Modifies settings of Windows Internet Explorer:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnonBadCertRecving' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnZoneCrossing' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnonBadCertRecving' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyServer' = 'http=127.0.0.1:54020'
[<HKLM>\SYSTEM\ControlSet001\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnPost' = ''
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnPost' = ''
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnPostRedirect' = '00000000'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnZoneCrossing' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnPostRedirect' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1809' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1407' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1809' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1809' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1809' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1809' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2301' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
<SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\Content\A44F4E7CB3133FF765C39A53AD8FCFDD
%PROGRAM_FILES%\LP\8678\2.exe
%PROGRAM_FILES%\LP\8678\3.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ua[1].php
<SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\MetaData\A44F4E7CB3133FF765C39A53AD8FCFDD
%PROGRAM_FILES%\LP\8678\1.tmp
%PROGRAM_FILES%\LP\8678\753.exe
%APPDATA%\88E66\680F.8E6
<SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\Content\7B2238AACCEDC3F1FFE8E7EB5F575EC9
<SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\MetaData\7B2238AACCEDC3F1FFE8E7EB5F575EC9
Deletes the following files:
%PROGRAM_FILES%\LP\8678\3.exe
%PROGRAM_FILES%\LP\8678\2.exe
Network activity:
Connects to:
'localhost':54020
'localhost':1047
'xp###ats.com':80
'74.##5.232.51':80
'cl.###abatory.com':443
'cl.#####ryreanimayion.com':80
'20#.#6.232.182':80
'wp#d':80
'tr#####sdataforme.com':80
'cl.###abatory.com':80
'pa####genius.com':80
TCP:
HTTP GET requests:
cl.###abatory.com/g/ua.php?tq#################################
cl.#####ryreanimayion.com/logo.png?sv########################################################################################
xp###ats.com/k1.php?tq###########################################################################################################################################################
74.##5.232.51/
xp###ats.com/k1.php?tq#########################################################################################################################################################
cl.#####ryreanimayion.com/logo.png?tq#################################
20#.#6.232.182/pki/crl/products/CSPCA.crl
wp#d/wpad.dat
20#.#6.232.182/pki/crl/products/CodeSignPCA2.crl
cl.###abatory.com/logo.png?sv########################################################################
pa####genius.com/132.gif?sv##################################################################
UDP:
DNS ASK cl.#####ryreanimayion.com
DNS ASK cl.###abatory.com
DNS ASK www.google.com
DNS ASK xp###ats.com
DNS ASK crl.microsoft.com
DNS ASK wp#d
DNS ASK pa####genius.com
DNS ASK TR#####SDATAFORME.COM
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: '' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
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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