Win32.HLLW.Autoruner2.14775
Added to the Dr.Web virus database:
2014-05-25
Virus description added:
2014-05-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '46d93431630fc8e404fed7204e708738' = '"%TEMP%\trojan.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '46d93431630fc8e404fed7204e708738' = '"%TEMP%\trojan.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\46d93431630fc8e404fed7204e708738.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\trojan.exe' = '%TEMP%\trojan.exe:*:Enabled:trojan.exe'
Creates and executes the following:
- '%TEMP%\913.exe'
- '%TEMP%\trojan.exe'
- '%TEMP%\is-VK3NL.tmp\red-v2.2-setup.tmp' /SL5="$30092,156490,54272,%TEMP%\red-v2.2-setup.exe"
- '%TEMP%\red-v2.2-setup.exe'
- '%TEMP%\3.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\trojan.exe" "trojan.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\is-FOGC5.tmp\_isetup\_shfoldr.dll
- %TEMP%\913.exe
- %TEMP%\trojan.exe
- %TEMP%\is-FOGC5.tmp\isxdl.dll
- %TEMP%\3.exe
- %TEMP%\red-v2.2-setup.exe
- %TEMP%\is-FOGC5.tmp\_isetup\_RegDLL.tmp
- %TEMP%\is-VK3NL.tmp\red-v2.2-setup.tmp
Network activity:
Connects to:
- 'sa#####000.no-ip.biz':1177
UDP:
- DNS ASK sa#####000.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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