JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLW.Siggen.1591
Added to the Dr.Web virus database:
2011-01-20
Virus description added:
2014-07-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '%WINDIR%\nvsvc32.exe:*:Enabled:NVIDIA driver monitor'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:NVIDIA driver monitor'
Creates and executes the following:
Executes the following:
'<SYSTEM32>\net1.exe' stop wuauserv
'<SYSTEM32>\sc.exe' config wuauserv start= disabled
'<SYSTEM32>\net1.exe' stop MsMpSvc
'<SYSTEM32>\sc.exe' config MsMpSvc start= disabled
'<SYSTEM32>\net.exe' stop MsMpSvc
'<SYSTEM32>\netsh.exe' firewall add allowedprogram 1.exe 1 ENABLE
'<SYSTEM32>\net1.exe' stop
'<SYSTEM32>\net.exe' stop wuauserv
'%WINDIR%\explorer.exe' http://br#####sers.myspace.com/Browse/Browse.aspx
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\index[1].php
%WINDIR%\nvsvc32.exe
Sets the 'hidden' attribute to the following files:
%WINDIR%\nvsvc32.exe
<Full path to virus>
Network activity:
Connects to:
'13#.#4.181.237':80
'localhost':1039
TCP:
UDP:
DNS ASK st###ntime.info
DNS ASK ve###tek.com
DNS ASK tr####ationale.org
DNS ASK jo######faccountancy.com
DNS ASK ft#.##oenix-cc.net
DNS ASK ap#.####rtoshistory.info
DNS ASK as###.ic.ac.uk
DNS ASK br#####sers.myspace.com
DNS ASK al#.##kibili.com
Miscellaneous:
Searches for the following windows:
ClassName: 'ComboBoxEx32' WindowName: '(null)'
ClassName: 'ComboBox' WindowName: '(null)'
ClassName: 'Address Band Root' WindowName: '(null)'
ClassName: 'msctls_statusbar32' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'ReBarWindow32' WindowName: '(null)'
ClassName: 'IEFrame' WindowName: '(null)'
ClassName: 'Frame Tab' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'HTMLSOURCEVIEW' WindowName: '(null)'
ClassName: 'Internet Explorer_Server' WindowName: '(null)'
ClassName: 'WorkerW' WindowName: '(null)'
ClassName: 'TabWindowClass' WindowName: '(null)'
ClassName: 'Shell DocObject View' WindowName: '(null)'
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK