Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Classes\MSProgramGroup\Shell\Open\Command] '' = '<SYSTEM32>\grpconv.exe %1'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'GrpConv' = 'grpconv -o'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'wg7txmb' = '%TEMP%\wng703.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\MouseDriver] 'ImagePath' = '%TEMP%\MouseDriver.bat'
- [<HKLM>\SYSTEM\ControlSet001\Services\MouseDriver] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Security Center
Executes the following:
- '<SYSTEM32>\cmd.exe' /c %TEMP%\yq4xr08wv.bat
- '<SYSTEM32>\runonce.exe' -r
- '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 128 %TEMP%\mdinstall.inf
- '<SYSTEM32>\net1.exe' stop "Windows Firewall/Internet Connection Sharing (ICS)"
- '%TEMP%\wng703.exe' -d495A2AC01ADDBE61E819DEF994D0DADF3DA821513C5EC60F0C603D4B8D5B234B3F43031E631F712F2B5F01AE5E60DCF415D6FB13872C5905F5CC99E53649F28079305EF1323A5EB24D0CD99E1BE0D5DF9AAD1F5305B42222CC7E78106692FA7...
- '<SYSTEM32>\grpconv.exe' -o
- '<SYSTEM32>\net.exe' stop "Windows Firewall/Internet Connection Sharing (ICS)"
- '<SYSTEM32>\sc.exe' config wscsvc start= DISABLED
- '<SYSTEM32>\net.exe' stop "Security Center"
- '%TEMP%\wng703.exe'
- '<SYSTEM32>\net1.exe' stop "Security Center"
- '<SYSTEM32>\sc.exe' config SharedAccess start= DISABLED
Modifies file system:
Creates the following files:
- %TEMP%\mdinstall.inf
- %TEMP%\yq4xr08wv.bat
- %TEMP%\~DF1DAC.tmp
- %TEMP%\MouseDriver.bat
- %TEMP%\~DF97A5.tmp
- %TEMP%\wng703.exe
- %TEMP%\~DF576B.tmp
Sets the 'hidden' attribute to the following files:
- %TEMP%\MouseDriver.bat
Deletes the following files:
- %TEMP%\~DF1DAC.tmp
- %TEMP%\~DF97A5.tmp
- %TEMP%\mdinstall.inf
Deletes itself.
Network activity:
Connects to:
- 'w.#####ardiscover.com':888
UDP:
- DNS ASK w.#####ardiscover.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
