Win32.HLLW.Autoruner1.29135

Added to the Dr.Web virus database: 2012-11-03

Virus description added: 2012-11-03

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MicroUpdate' = '%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'

Malicious functions:

Creates and executes the following:

Searches for windows to

detect analytical utilities:

ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
ClassName: 'RegmonClass' WindowName: ''
ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
ClassName: 'GBDYLLO' WindowName: ''
ClassName: 'OLLYDBG' WindowName: ''
ClassName: 'FilemonClass' WindowName: ''
ClassName: 'pediy06' WindowName: ''

Modifies file system :

Creates the following files:

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: