Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Update' = '%TEMP%\skyp\Microsoft Update.lnk'
Malicious functions:
Creates and executes the following:
- '%TEMP%\YXMIIQ.exe'
Modifies file system:
Creates the following files:
- %TEMP%\aut2.tmp
- %TEMP%\YXMIIQ.exe
- %TEMP%\aut1.tmp
- %TEMP%\chksqvb
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\chksqvb
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'sn##.ddns.net':1337
UDP:
- DNS ASK sn##.ddns.net
