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Win32.HLLW.Autoruner.53072
Added to the Dr.Web virus database:
2011-07-02
Virus description added:
2011-07-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\svchost.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\svchost.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "%APPDATA%\svchost.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '1OFX75J8IS63W' = '%APPDATA%\Y5VUY9HHUGJ.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1OFX75J8IS63W' = '%APPDATA%\Y5VUY9HHUGJ.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\SYSTEM.EXE
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svchost.exe' = '%APPDATA%\svchost.exe:*:Enabled:CityScape'
Creates and executes the following:
%APPDATA%\svchost.exe
"%TEMP%\HXdGV.exe" (downloaded from the Internet)
"%TEMP%\gETpo.exe" (downloaded from the Internet)
Executes the following:
<SYSTEM32>\netsh.exe firewall add allowedprogram "%APPDATA%\svchost.exe" CityScape Enable
Modifies file system :
Creates the following files:
%APPDATA%\svchost.exe
%APPDATA%\uFJWsvAa
%TEMP%\GVsBQ.exe
%TEMP%\HXdGV.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\erratic[1].exe
%TEMP%\y5vuy9hhugj.exe.jpg
%TEMP%\xKqhJ.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\erratic[1].exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\locate_my_ip[1]
%TEMP%\gETpo.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\SYSTEM.EXE
%APPDATA%\svchost.exe
Deletes the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\erratic[1].exe
%APPDATA%\uFJWsvAa
Network activity:
Connects to:
'xb###ooter.info':80
'localhost':1040
'br#####scool.no-ip.info':3177
'www.ma##ind.com':80
'localhost':1034
'dl.##opbox.com':80
'localhost':1037
TCP:
HTTP GET requests:
xb###ooter.info/bs/alive.php?ke##########################################################################################
www.ma##ind.com/app/locate_my_ip
dl.##opbox.com/u/22190667/erratic.exe
UDP:
DNS ASK xb###ooter.info
DNS ASK br#####scool.no-ip.info
DNS ASK dl.##opbox.com
DNS ASK www.ma##ind.com
Miscellaneous:
Searches for the following windows:
ClassName: '' WindowName: 'HB'
ClassName: 'Indicator' WindowName: ''
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