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Win32.HLLW.Autoruner.53920
Added to the Dr.Web virus database:
2011-07-10
Virus description added:
2011-07-10
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /W'
[<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\1012747624] 'Name' = '"%TEMP%\3.tmp"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wioep' = '%HOMEPATH%\wioep.exe /N'
Creates the following files on removable media:
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\DlU.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\wioep.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\wioepx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
%HOMEPATH%\wexhost.exe
%HOMEPATH%\wioep.exe
%HOMEPATH%\zusvc.exe
%HOMEPATH%\ZSzXlarNXai5.exe
%HOMEPATH%\ztsvc.exe
Executes the following:
Injects code into
the following system processes:
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
%TEMP%\2.tmp
%HOMEPATH%\wioep.exe
%TEMP%\Rlb..bat
%WINDIR%\Temp\4.tmp
%HOMEPATH%\wexhost.dll
%HOMEPATH%\ZSzXlarNXai5.exe
%HOMEPATH%\wexhost.exe
%HOMEPATH%\zusvc.exe
%HOMEPATH%\ztsvc.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\wioep.exe
<Drive name for removable media>:\wioepx.exe
<Drive name for removable media>:\DlU.ico
%HOMEPATH%\wioep.exe
<Drive name for removable media>:\autorun.inf
Deletes the following files:
%HOMEPATH%\ztsvc.exe
%HOMEPATH%\ZSzXlarNXai5.exe
%WINDIR%\Temp\4.tmp
%TEMP%\3.tmp
<DRIVERS>\etc\hosts
Network activity:
Connects to:
TCP:
HTTP POST requests:
di##opic.in/?in##############################################################################################################
UDP:
DNS ASK go##le.ae
DNS ASK di##opic.in
DNS ASK ik##.com
DNS ASK si###ell.com
Miscellaneous:
Searches for the following windows:
ClassName: '2135662649' WindowName: '1290275105'
ClassName: '1766042137' WindowName: '316127874'
ClassName: '541439229' WindowName: '647708403'
ClassName: '394590785' WindowName: '1756556105'
ClassName: '1016643808' WindowName: '24627301'
ClassName: '960102625' WindowName: '430066279'
ClassName: '1008701429' WindowName: '579381198'
ClassName: 'Indicator' WindowName: ''
ClassName: '1922351159' WindowName: '834969880'
ClassName: '1306694165' WindowName: '494171248'
ClassName: '1289083711' WindowName: '591301186'
ClassName: '637670480' WindowName: '1997006738'
ClassName: '1928457052' WindowName: '1124191955'
ClassName: '555445440' WindowName: '933536709'
ClassName: '716153120' WindowName: '1904666530'
ClassName: '460496605' WindowName: '101929043'
ClassName: '27151573' WindowName: '1046861870'
ClassName: '576333287' WindowName: '311040901'
ClassName: '540800710' WindowName: '2057465314'
ClassName: '1615307858' WindowName: '280839073'
ClassName: '1710672108' WindowName: '1893229219'
ClassName: '890570268' WindowName: '2037912208'
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