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Win32.HLLW.Autoruner1.52370
Added to the Dr.Web virus database:
2013-07-24
Virus description added:
2013-07-30
Technical Information
To ensure autorun and distribution:
Infects the following executable system files:
%WINDIR%\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll
Malicious functions:
Executes the following:
'<SYSTEM32>\rundll32.exe' %TEMP%\ir6zd.dat,XFG04
'<SYSTEM32>\rundll32.exe' %TEMP%\ir6zd.dat,XFG06
'<SYSTEM32>\ctfmon.exe'
'<SYSTEM32>\rundll32.exe' %TEMP%\ir6zd.dat,XFG03
'<SYSTEM32>\rundll32.exe' %TEMP%\ir6zd.dat,XFG00
'<SYSTEM32>\wermgr.exe' -queuereporting
'<SYSTEM32>\rundll32.exe' %TEMP%\ir6zd.dat,XFG01
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2500' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2500' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2500' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2500' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system :
Creates the following files:
%TEMP%\dz6ri.js
%APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\regmonstd.lnk
%TEMP%\ir6zd.dat
C:\ProgramData\ir6zd.dat
%TEMP%\dz6ri.pad
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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