Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Windows_UpDate] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\PScs2.exe
Malicious functions:
Creates and executes the following:
- <LS_APPDATA>\s.exe
Executes the following:
- <SYSTEM32>\attrib.exe +h f:\autorun.inf
- <SYSTEM32>\attrib.exe +h g:\autorun.inf
- <SYSTEM32>\attrib.exe +h <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\attrib.exe +h e:\autorun.inf
- <SYSTEM32>\attrib.exe +h j:\autorun.inf
- <SYSTEM32>\calc.exe
- <SYSTEM32>\attrib.exe +h h:\autorun.inf
- <SYSTEM32>\attrib.exe +h i:\autorun.inf
- <SYSTEM32>\attrib.exe +h c:\autorun.inf
- <SYSTEM32>\attrib.exe +h e:\PScs2.exe
- <SYSTEM32>\attrib.exe +h f:\PScs2.exe
- <SYSTEM32>\attrib.exe +h c:\PScs2.exe
- <SYSTEM32>\attrib.exe +h <Drive name for removable media>:\PScs2.exe
- <SYSTEM32>\attrib.exe +h i:\PScs2.exe
- <SYSTEM32>\attrib.exe +h j:\PScs2.exe
- <SYSTEM32>\attrib.exe +h g:\PScs2.exe
- <SYSTEM32>\attrib.exe +h h:\PScs2.exe
Injects code into
the following system processes:
- <SYSTEM32>\calc.exe
Modifies file system :
Creates the following files:
- C:\autorun.inf
- <SYSTEM32>\PScs2.exe
- <SYSTEM32>\_rejoice082.exe
- %CommonProgramFiles%\Microsoft Shared\MSInfo\rejoice082.exe
- C:\PScs2.exe
- <LS_APPDATA>\AutoRun.inf
- <LS_APPDATA>\s.exe
- %CommonProgramFiles%\Microsoft Shared\MSInfo\FieleWay.txt
- %TEMP%\a78540.bat
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\_rejoice082.exe
- <Drive name for removable media>:\PScs2.exe
- %TEMP%\a78540.bat
- %CommonProgramFiles%\Microsoft Shared\MSInfo\rejoice082.exe
- C:\PScs2.exe
Deletes the following files:
- %CommonProgramFiles%\Microsoft Shared\MSInfo\FieleWay.txt
- <LS_APPDATA>\s.exe
Network activity:
Connects to:
- 'gu#####2008.51vip.biz':3313
UDP:
- DNS ASK gu#####2008.51vip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'TSxre2008' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
- ClassName: 'TAppBuilder' WindowName: ''