Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'Audio Control' = 'PMgrsecapp.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Audio Control' = '%APPDATA%\PMgrsecapp.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Audio Control' = '%APPDATA%\PMgrsecapp.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Audio Control'
Creates and executes the following:
- %APPDATA%\PMgrsecapp.exe
Executes the following:
- <SYSTEM32>\netsh.exe firewall add allowedprogram PMgrsecapp.exe 1 ENABLE
Searches for windows to
detect programs and games:
- ClassName: 'MSNHiddenWindowClass' WindowName: ''
- ClassName: '_Oscar_StatusNotify' WindowName: ''
Modifies file system :
Creates the following files:
- %APPDATA%\PMgrsecapp.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\PMgrsecapp.exe
Network activity:
Connects to:
- 'ch###.#vsanmiguel.com':7075
UDP:
- DNS ASK ch###.#vsanmiguel.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'TskMultiChatForm.UnicodeClass' WindowName: ''
- ClassName: 'Message Session' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: '__oxFrame.class__' WindowName: ''