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Win32.HLLW.Autoruner.55281
Added to the Dr.Web virus database:
2011-07-29
Virus description added:
2011-07-29
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '%APPDATA%\.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = '%APPDATA%\.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'FILE_34929' = '%APPDATA%\FILE_34929.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft? Windows? Operating System' = '%APPDATA%\Microsoft\Protect\Credentials\audiodgi.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'FILE_81400' = '%APPDATA%\FILE_81400.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Svchosted.exe
Malicious functions:
Creates and executes the following:
%APPDATA%\Microsoft\Protect\Credentials\wmpmetwk.exe
%APPDATA%\Microsoft\Protect\Credentials\audiodgi.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\_logdata=infected[1]
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\_logdata=downloaded payload[2]
%APPDATA%\.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\_logdata=came online[1]
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\_logdata=executed payload[2]
%APPDATA%\lovely.ini
%APPDATA%\Microsoft\Protect\Credentials\audiodgi.gzp
%APPDATA%\Microsoft\Protect\Credentials\wmpmetwk.exe
<Current directory>\wmpnetvk.exe:ZONE.identifier
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\_logdata=executed payload[1]
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\_logdata=downloaded payload[1]
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Svchosted.exe
<Drive name for removable media>:\autorun.inf
%APPDATA%\Microsoft\Protect\Credentials\wmpmetwk.exe
%APPDATA%\Microsoft\Protect\Credentials\audiodgi.exe
Network activity:
Connects to:
'localhost':1041
'11#.#11.111.4':80
'localhost':1043
'11#.#11.111.1':80
'11#.#11.111.2':80
'?l#######infected.localdomain':80
TCP:
HTTP GET requests:
?l#######infected.localdomain/
11#.#11.111.4/
11#.#11.111.1/
11#.#11.111.2/
UDP:
DNS ASK ?l#######infected.localdomain
DNS ASK ?l########ame online.localdomain
DNS ASK ?l#########wnloaded payload.localdomain
DNS ASK ?l#########ecuted payload.localdomain
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'Indicator' WindowName: ''
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