Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{GF4X7745-WQW6-GR05-83C3-J2A4J26U82BY}] 'StubPath' = '<SYSTEM32>\microsoft\windows.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{GF4X7745-WQW6-GR05-83C3-J2A4J26U82BY}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
Creates the following files on removable media:
- <Drive name for removable media>:\jgyxlx.exe
- <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] 'DisableNotifications' = '00000001'
- <Auxiliary element>
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*: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:
- hidden files
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Creates and executes the following:
- <SYSTEM32>\Microsoft\windows.exe
Executes the following:
- <SYSTEM32>\svchost.exe
Injects code into
the following system processes:
- <SYSTEM32>\services.exe
- <SYSTEM32>\winlogon.exe
- <SYSTEM32>\lsass.exe
- <SYSTEM32>\alg.exe
- <SYSTEM32>\spoolsv.exe
- <SYSTEM32>\svchost.exe
- <Auxiliary element>
- System
- <SYSTEM32>\csrss.exe
- <SYSTEM32>\smss.exe
a large number of user processes.
Hides the following processes:
Modifies file system :
Creates the following files:
- <DRIVERS>\ilnjl.sys
- %TEMP%\winxvgo.exe
- %TEMP%\ttrfru.exe
- C:\sjcgev.exe
- C:\autorun.inf
- %TEMP%\wincixima.exe
- %TEMP%\XX--XX--XX.txt
- <SYSTEM32>\Microsoft\windows.exe
- %TEMP%\winisev.exe
- %APPDATA%\logs.dat
- %TEMP%\wintlfn.exe
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
Sets the 'hidden' attribute to the following files:
- C:\sjcgev.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\jgyxlx.exe
- <SYSTEM32>\Microsoft\windows.exe
- %APPDATA%\logs.dat
- C:\autorun.inf
Deletes the following files:
- <DRIVERS>\ilnjl.sys
- %TEMP%\XxX.xXx
- %TEMP%\ttrfru.exe
- <SYSTEM32>\Microsoft\windows.exe
- %TEMP%\wincixima.exe
- %TEMP%\XX--XX--XX.txt
- %TEMP%\winisev.exe
- %TEMP%\UuU.uUu
- %TEMP%\winxvgo.exe
- %TEMP%\wintlfn.exe
Network activity:
Connects to:
- '10.#2.88.28':288
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''