Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Martin Prikryl' = 'RUNDLL32.EXE "<LS_APPDATA>\Martin Prikryl\hcckwgrr.dll",mpegOutMP2MuxNew'
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' "<LS_APPDATA>\Martin Prikryl\hcckwgrr.dll",mpegOutMP2MuxNew
- '<SYSTEM32>\rundll32.exe' "%TEMP%\nsb4.tmp\mgfgusvb.dll",mpegOutMP2MuxNew
Modifies file system :
Creates the following files:
- %TEMP%\nsb4.tmp\mgfgusvb.dll
- %TEMP%\nsl3.tmp\System.dll
- %TEMP%\nsw2.tmp
Deletes the following files:
- %TEMP%\nsl3.tmp\System.dll
Moves the following files:
- from %TEMP%\nsb4.tmp\mgfgusvb.dll to <LS_APPDATA>\Martin Prikryl\hcckwgrr.dll
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
