Win32.HLLW.Autoruner.50759
Added to the Dr.Web virus database:
2011-05-30
Virus description added:
2011-08-21
Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\fsin.pif
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '"%TEMP%\1bc56.exe"' = '"%TEMP%\1bc56.exe:*:Enabled:ipsec"'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
- <SYSTEM32>\ctfmon.exe
- %WINDIR%\Explorer.EXE
a large number of user processes.
Modifies file system :
Creates the following files:
- C:\autorun.inf
- C:\feforo.pif
- %TEMP%\jtkjlj.exe
- %TEMP%\1bc56.exe
- %TEMP%\winyfin.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\fsin.pif
- C:\autorun.inf
- C:\feforo.pif
Deletes the following files:
- %TEMP%\jtkjlj.exe
- %TEMP%\winyfin.exe
Network activity:
Connects to:
- 'so#####rnsoundshop.com':80
TCP:
HTTP GET requests:
- so#####rnsoundshop.com/xmlrpc/index1.php
UDP:
- DNS ASK so#####rnsoundshop.com
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