Win32.HLLW.Autoruner1.24072
Added to the Dr.Web virus database:
2012-07-30
Virus description added:
2012-08-20
Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\qbje.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%\Ramadhan Crypter V1.2c.exe' = '%TEMP%\Ramadhan Crypter V1.2c.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
Creates and executes the following:
- %TEMP%\Ramadhan Crypter V1.2c.exe
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\winqaypbg.exe
- %TEMP%\fluur.exe
- %TEMP%\pdjw.exe
- %TEMP%\winfschca.exe
- %TEMP%\dtiwjp.exe
- %TEMP%\hohto.exe
- C:\ffywm.exe
- <DRIVERS>\hfjnj.sys
- %TEMP%\Ramadhan Crypter V1.2c.exe
- %TEMP%\Ramadhan Crypter V1.2c.exe.nb5.tmp
- C:\autorun.inf
- %TEMP%\winyqwqdo.exe
- %TEMP%\winpusxkc.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\qbje.pif
- C:\autorun.inf
- C:\ffywm.exe
Deletes the following files:
- %TEMP%\winqaypbg.exe
- %TEMP%\fluur.exe
- %TEMP%\hohto.exe
- %TEMP%\winfschca.exe
- %TEMP%\dtiwjp.exe
- %TEMP%\pdjw.exe
- %TEMP%\Ramadhan Crypter V1.2c.exe
- %TEMP%\Ramadhan Crypter V1.2c.exe.nb5.tmp
- <DRIVERS>\hfjnj.sys
- %TEMP%\winyqwqdo.exe
- %TEMP%\winpusxkc.exe
Network activity:
Connects to:
- 'www.sk######.#andomierz.opoka.org.pl':80
- 'si###ukil.com':80
- 'si####nholland.nl':80
- '65.##0.68.134':80
- 'www.sn#.ac.th':80
- 'sm####ciates.org.in':80
TCP:
HTTP GET requests:
- www.sk######.#andomierz.opoka.org.pl/images/logo.gif?52###########
- si###ukil.com/images/logo.gif?52##########
- si####nholland.nl/logos/logo.gif?52###########
- 65.##0.68.134/imgs/logo.gif?51##########
- www.sn#.ac.th/img/logo.jpeg?51###########
- sm####ciates.org.in/img/logo.gif?51###########
UDP:
- DNS ASK si###ukil.com
- DNS ASK si####nholland.nl
- DNS ASK www.sk######.#andomierz.opoka.org.pl
- DNS ASK www.sn#.ac.th
- DNS ASK sm####ciates.org.in
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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