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Win32.HLLW.Autoruner2.8780
Added to the Dr.Web virus database:
2014-02-24
Virus description added:
2014-02-24
Technical Information
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%\Trojan.exe'
'<LS_APPDATA>RbtFrEORZT.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Trojan.exe" "Trojan.exe" ENABLE
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>jOpQZwjeKU.jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Recent\Application DatajOpQZwjeKU.lnk
%HOMEPATH%\Recent\Local Settings.lnk
%TEMP%\Trojan.exe
<LS_APPDATA>RbtFrEORZT.exe
<LS_APPDATA>jOpQZwjeKU.jpg
Network activity:
Connects to:
'al#####der007.zapto.org':1177
UDP:
DNS ASK al#####der007.zapto.org
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
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