Win32.HLLW.Autoruner2.7773
Added to the Dr.Web virus database:
2014-02-20
Virus description added:
2014-02-21
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '90480ec0be14f6221b63d9107a2dd7d8' = '"%APPDATA%\chrome.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '90480ec0be14f6221b63d9107a2dd7d8' = '"%APPDATA%\chrome.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\90480ec0be14f6221b63d9107a2dd7d8.exe
Creates the following files on removable media:
- <Drive name for removable media>:\90480ec0be14f6221b63d9107a2dd7d8.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\chrome.exe' = '%APPDATA%\chrome.exe:*:Enabled:chrome.exe'
Creates and executes the following:
- '%APPDATA%\chrome.exe'
- '%TEMP%\180.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\chrome.exe" "chrome.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\180.exe
- %APPDATA%\chrome.exe
- %APPDATA%\Microsoft\CryptnetUrlCache\MetaData\7B2238AACCEDC3F1FFE8E7EB5F575EC9
- %APPDATA%\Microsoft\CryptnetUrlCache\Content\7B2238AACCEDC3F1FFE8E7EB5F575EC9
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\90480ec0be14f6221b63d9107a2dd7d8.exe
Network activity:
Connects to:
- 'bl####ker.no-ip.biz':1177
- '20#.#6.232.182':80
- 'wp#d':80
TCP:
HTTP GET requests:
- 20#.#6.232.182/pki/crl/products/CSPCA.crl
- wp#d/wpad.dat
UDP:
- DNS ASK bl####ker.no-ip.biz
- DNS ASK crl.microsoft.com
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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