Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion:
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system
Creates the following files
- %TEMP%\xxulfnvyzcfv.sys
Network activity
UDP
- DNS ASK po##.#ashvault.pro
Miscellaneous
Executes the following
- '<SYSTEM32>\cmd.exe' /c wusa /uninstall /kb:890830 /quiet /norestart
- '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-ac 0
- '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-dc 0
- '<SYSTEM32>\powercfg.exe' /x -standby-timeout-ac 0
- '<SYSTEM32>\powercfg.exe' /x -standby-timeout-dc 0
- '%WINDIR%\explorer.exe'
- '<SYSTEM32>\wusa.exe' /uninstall /kb:890830 /quiet /norestart
