Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'Cleanup' = 'C:\cleanup.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = '<LS_APPDATA>\ctmon.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\pelodlo] 'ImagePath' = 'system32\drivers\trs.sys'
- [<HKLM>\SYSTEM\ControlSet001\Services\pelodlo] 'Start' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\ckktyt] 'Start' = '00000000'
Malicious functions:
Creates and executes the following:
- C:\TITI.EXE /nogui c:\kill.txt
Modifies file system :
Creates the following files:
- C:\zip.exe
- <DRIVERS>\quuubqg.sys
- C:\cleanup.bat
- %WINDIR%\ERRO
- C:\cleanup.exe
- <DRIVERS>\trs.sys
- <LS_APPDATA>\ctmon.exe
- C:\kill.txt
- %PROGRAM_FILES%\aakaecvb.txt
- C:\TITI.EXE
Deletes the following files:
- C:\zip.exe
- C:\cleanup.bat
Network activity:
Connects to:
- 'sr###.com.br':80
TCP:
HTTP POST requests:
- sr###.com.br/down/envia.php
UDP:
- DNS ASK sr###.com.br
Miscellaneous:
Searches for the following windows:
- ClassName: 'NDDEAgnt' WindowName: 'NetDDE Agent'
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'ERRO: Acrobat Readers com defeito, contacte seu revendedor.' WindowName: 'Acrobat'
