Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'msupdate' = '<Current directory>\<File name>.lnk'
Malicious functions:
Executes the following:
- '<SYSTEM32>\reg.exe' ADD "HKCU\software\microsoft\windows\currentversion\run" /v "msupdate" /t REG_SZ /d "<Current directory>\<File name>.lnk" /f
- '<SYSTEM32>\cmd.exe' /C REG ADD "HKCU\software\microsoft\windows\currentversion\run" /v "msupdate" /t REG_SZ /d "<Current directory>\<File name>.lnk" /f
- '<Current directory>\Servo.exe' "msupdate" "<Current directory>\<File name>.lnk"
Modifies file system:
Creates the following files:
- <Current directory>\<File name>.lnk
- <Current directory>\Servo.lnk
- <Current directory>\Servo.exe
Sets the 'hidden' attribute to the following files:
- <Full path to file>
Network activity:
Connects to:
- '85.##4.22.208':5959
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: ''
