Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<Virus name>' = '<Full path to virus> '
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\<Virus name>.lnk
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] 'EnableFirewall' = '00000000'
Creates and executes the following:
- '<SYSTEM32>\cmd.exe' (downloaded from the Internet)
Executes the following:
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im w9xpopen.exe >nul
- '<SYSTEM32>\taskkill.exe' /f /im Wclose.exe
- '<SYSTEM32>\taskkill.exe' /pid=576
- '<SYSTEM32>\taskkill.exe' /f /im sigtool.exe
- '<SYSTEM32>\taskkill.exe' /f /im cmgrdian.exe
- '<SYSTEM32>\taskkill.exe' /f /im mcshield.exe
- '<SYSTEM32>\taskkill.exe' /f /im vshwin32.exe
- '<SYSTEM32>\taskkill.exe' /f /im oladdin.exe
- '<SYSTEM32>\taskkill.exe' /f /im alogserv.exe
- '<SYSTEM32>\taskkill.exe' /pid=3900
- '<SYSTEM32>\taskkill.exe' /f /im clamscan.exe
- '<SYSTEM32>\taskkill.exe' /f /im nod32krn.exe
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im nod32kui.exe >nul
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im clamTray.exe >nul
- '<SYSTEM32>\taskkill.exe' /f /im freshclam.exe
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im oladdin.exe >nul
- '<SYSTEM32>\taskkill.exe' /pid=4036
- '<SYSTEM32>\taskkill.exe' /f /im clamWin.exe
- '<SYSTEM32>\taskkill.exe' /f /im licmgr.exe
- '<SYSTEM32>\taskkill.exe' /pid=384
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im avscan.exe >nul
- '<SYSTEM32>\taskkill.exe' /pid=4092
- '<SYSTEM32>\taskkill.exe' /f /im sched.exe
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im MSASCui.exe >nul
- '<SYSTEM32>\taskkill.exe' /pid=1368
- '<SYSTEM32>\taskkill.exe' /f /im preupd.exe
- '<SYSTEM32>\taskkill.exe' /f /im MsMpEng.exe
- '<SYSTEM32>\alg.exe' /C @taskkill /f /im avcenter.exe >nul
- '<SYSTEM32>\taskkill.exe' /pid=1012
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im avconsol.exe >nul
- '<SYSTEM32>\taskkill.exe' /f /im vsstat.exe
- '<SYSTEM32>\taskkill.exe' /f /im avcmd.exe
- '<SYSTEM32>\taskkill.exe' /pid=1000
- '<SYSTEM32>\taskkill.exe' /pid=3956
- '<SYSTEM32>\taskkill.exe' /C @taskkill /f /im avconfig.exe >nul
- '<SYSTEM32>\taskkill.exe' /f /im avconfig.exe
- '<SYSTEM32>\taskkill.exe' /f /im guardgui.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgctrl.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgserv.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgw.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgcc32.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgserv9.exe
- '<SYSTEM32>\taskkill.exe' /f /im ashwebsv.exe
- '<SYSTEM32>\taskkill.exe' /f /im ashdisp.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgserv9schedapp.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgemc.exe
- '<SYSTEM32>\netsh.exe' firewall set opmode mode = disable
- '<SYSTEM32>\net.exe' stop SharedAccess
- '<SYSTEM32>\net.exe' stop wscsvc
- '<SYSTEM32>\net1.exe' stop wscsvc
- '<SYSTEM32>\net1.exe' stop SharedAccess
- '<SYSTEM32>\taskkill.exe' /f /im avgamsvr.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgupsvc.exe
- '<SYSTEM32>\sc.exe' config wscsvc start= disabled
- '<SYSTEM32>\taskkill.exe' /f /im avgcc.exe
- '<SYSTEM32>\net1.exe' /f /im ashwebsv.exe
- '<SYSTEM32>\alg.exe' /f /im avadmin.exe
- '<SYSTEM32>\taskkill.exe' /f /im ccsetmgr.exe
- '<SYSTEM32>\taskkill.exe' /f /im ccevtmgr.exe
- '<SYSTEM32>\taskkill.exe' /f /im avcenter.exe
- '<SYSTEM32>\taskkill.exe' /f /im avnotify.exe
- '<SYSTEM32>\taskkill.exe' /f /im avscan.exe
- '<SYSTEM32>\taskkill.exe' /f /im avgnt.exe
- '<SYSTEM32>\taskkill.exe' /f /im avguard.exe
- '<SYSTEM32>\taskkill.exe' /f /im aswUpdSv.exe
- '<SYSTEM32>\taskkill.exe' /f /im savscan.exe
- '<SYSTEM32>\taskkill.exe' /f /im ashmaisv.exe
- '<SYSTEM32>\taskkill.exe' /f /im ashserv.exe
- '<SYSTEM32>\taskkill.exe' /f /im symwsc.exe
- '<SYSTEM32>\taskkill.exe' /f /im norton_av.exe
- '<SYSTEM32>\taskkill.exe' /f /im nortonav.exe
- '<SYSTEM32>\taskkill.exe' /f /im norton.exe
- '<SYSTEM32>\taskkill.exe' /f /im Norton Auto-Protect.exe
Injects code into
the following system processes:
- <SYSTEM32>\cmd.exe
- <SYSTEM32>\taskkill.exe
- <SYSTEM32>\net.exe
- <SYSTEM32>\netsh.exe
- <SYSTEM32>\net1.exe
- <SYSTEM32>\alg.exe
the following user processes:
- avgcc.exe
Terminates or attempts to terminate
the following user processes:
- ClamWin.exe
- AVSYNMGR.EXE
- AVGCTRL.EXE
- avgcc.exe
- AVGCC32.EXE
Modifies file system :
Creates the following files:
- %TEMP%\TxtFiles\OkHgDd.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\OkHgDd[1].exe
Network activity:
Connects to:
- 'ax###mple.info':80
TCP:
HTTP GET requests:
- ax###mple.info/OkHgDd.exe
UDP:
- DNS ASK ax###mple.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '(null)' WindowName: '(null)'
