Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Aichng' = '%APPDATA%\OPERAS~1\OPERAS~1\Storage\ext\SYNC-L~1\def\a3Eg1Gb\BdeUISrv.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\firroysrernwzc
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\bakqb.lnk
Malicious functions
Executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\taskmgr.exe
- <SYSTEM32>\bdeuisrv.exe
- <SYSTEM32>\wextract.exe
the following user processes:
- firefox.exe
- iexplore.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\hadac_newsletter_july_2010_final.docx
- %HOMEPATH%\desktop\dial.bmp
- %HOMEPATH%\desktop\delete.avi
- %HOMEPATH%\desktop\dashborder_192.bmp
Modifies file system
Creates the following files
- %LOCALAPPDATA%\pmcc\secur32.dll
- %LOCALAPPDATA%\pmcc\taskmgr.exe
- %APPDATA%\mail.ru\agent\mra\html\kz\loading\fhla\secur32.dll
- %APPDATA%\mail.ru\agent\mra\html\kz\loading\fhla\taskmgr.exe
- %LOCALAPPDATA%\d7x39\wtsapi32.dll
- %LOCALAPPDATA%\d7x39\bdeuisrv.exe
- %APPDATA%\opera software\opera stable\storage\ext\sync-login\def\a3eg1gb\wtsapi32.dll
- %APPDATA%\opera software\opera stable\storage\ext\sync-login\def\a3eg1gb\bdeuisrv.exe
- %LOCALAPPDATA%\b2gttz0i\version.dll
- %LOCALAPPDATA%\b2gttz0i\wextract.exe
- %APPDATA%\icqm\icq\smiles\smiles\set05\bqgy6z\version.dll
- %APPDATA%\icqm\icq\smiles\smiles\set05\bqgy6z\wextract.exe
Deletes the following files
- %LOCALAPPDATA%\pmcc\secur32.dll
- %LOCALAPPDATA%\pmcc\taskmgr.exe
- %LOCALAPPDATA%\d7x39\bdeuisrv.exe
- %LOCALAPPDATA%\d7x39\wtsapi32.dll
- %LOCALAPPDATA%\b2gttz0i\version.dll
- %LOCALAPPDATA%\b2gttz0i\wextract.exe
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1960123792-2022915161-3775307078-1001\f58155b4b1d5a524ca0261c3ee99fb50_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Miscellaneous
Creates and executes the following
- '%LOCALAPPDATA%\pmcc\taskmgr.exe'
- '%LOCALAPPDATA%\d7x39\bdeuisrv.exe'
- '%LOCALAPPDATA%\b2gttz0i\wextract.exe'
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any' (with hidden window)
