Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Task Scheduler' = '<SYSTEM32>\tasksv32.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\~TempCfg\cf-p860165.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\tasksv32.exe' = '<SYSTEM32>\tasksv32.exe:*:Enabled:xLAN'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\tasksv32.exe' = '<SYSTEM32>\tasksv32.exe:*:Enabled:xLAN'
Creates and executes the following:
- <SYSTEM32>\tasksv32.exe <Full path to virus>
Executes the following:
- <SYSTEM32>\net.exe stop DrWebCom
- <SYSTEM32>\sc.exe config DrWebCom start= disabled
- <SYSTEM32>\sc.exe config SPIDERNT start= disabled
- <SYSTEM32>\sc.exe stop DrWebCom
- <SYSTEM32>\net1.exe stop DrWebCom
- <SYSTEM32>\net.exe stop avgfws
- <SYSTEM32>\sc.exe config avgfws start= disabled
- <SYSTEM32>\sc.exe delete DrWebCom
- <SYSTEM32>\sc.exe stop avgfws
- <SYSTEM32>\sc.exe config DrWebEngine start= disabled
- <SYSTEM32>\net1.exe stop DrWebEngine
- <SYSTEM32>\net.exe stop DrWebEngine
- <SYSTEM32>\sc.exe stop DrWebEngine
- <SYSTEM32>\sc.exe delete DrWebEngine
- <SYSTEM32>\sc.exe stop SPIDERNT
- <SYSTEM32>\sc.exe delete SPIDERNT
- <SYSTEM32>\net.exe stop SPIDERNT
- <SYSTEM32>\net1.exe stop SPIDERNT
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
detect programs and games:
- ClassName: 'gdkWindowToplevel' WindowName: 'The Wireshark Network Analyzer'
Hides the following processes:
- <Full path to virus>
- <SYSTEM32>\tasksv32.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\s1[1].exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\datalog2[1].txt
- %PROGRAM_FILES%\Wireshark\wireshark.exe
- <SYSTEM32>\tasksv32.exe
- C:\cwsandbox\cwsandbox.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\tasksv32.exe
Deletes itself.
Network activity:
Connects to:
- 'sv##.##telservice.su':5781
- 'sv##.##teldatamgr.su':6303
- '14#.#48.35.28':80
- 'sv##.##teldatamgr.su':51930
- 'vp####.#ntelbackupsrv.su':80
- 'sv##.##teldatamgr.su':48912
TCP:
HTTP GET requests:
- 14#.#48.35.28/awstats/datalog2.txt
- vp####.#ntelbackupsrv.su/net/s1.exe
UDP:
- DNS ASK sv##.##telservice.su
- DNS ASK vp####.#ntelbackupsrv.su
- DNS ASK sv##.##teldatamgr.su
Miscellaneous:
Searches for the following windows:
- ClassName: 'TCPViewClass' WindowName: ''
- ClassName: '#32770' WindowName: 'Regshot 1.8.2'
- ClassName: 'PROCEXPL' WindowName: ''
- ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
- ClassName: 'SmartSniff' WindowName: 'SmartSniff'
- ClassName: 'CurrPorts' WindowName: 'CurrPorts'