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Win32.HLLW.Autoruner2.4107
Added to the Dr.Web virus database:
2014-01-31
Virus description added:
2014-02-01
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%HOMEPATH%\%USERNAME%1\winlogon.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%HOMEPATH%\%USERNAME%1\winlogon.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\DrivesGuideInfo.lnk
<Drive name for removable media>:\DrivesGuideInfo\svchost.exe
<Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\Desktop.ini
<Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\svchost.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
blocks the following features:
System Restore (SR)
User Account Control (UAC)
Windows Security Center
Creates and executes the following:
'%HOMEPATH%\%USERNAME%1\winlogon.exe'
Executes the following:
Injects code into
the following system processes:
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
%HOMEPATH%\%USERNAME%1\winlogon.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\Desktop.ini
Network activity:
Connects to:
'3-#############-r-y-7-g-b-3-8-9-8-4-l-j.cheaps1.info':80
'wh##.amung.us':80
TCP:
HTTP GET requests:
wh##.amung.us/widget/l96f428it5mt/
UDP:
DNS ASK 3-#############-r-y-7-g-b-3-8-9-8-4-l-j.cheaps1.info
DNS ASK wh##.amung.us
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: '(null)' WindowName: 'setup'
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