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Win32.HLLW.Autoruner.54770
Added to the Dr.Web virus database:
2011-07-21
Virus description added:
2011-07-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zmman' = '%HOMEPATH%\zmman.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zmman' = '%HOMEPATH%\zmman.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zmman' = '%HOMEPATH%\zmman.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zmman' = '%HOMEPATH%\zmman.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zmman' = '%HOMEPATH%\zmman.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zmman' = '%HOMEPATH%\zmman.exe /x'
Creates the following files on removable media:
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\zmman.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\zmmanx.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%\btlop.exe
%HOMEPATH%\ctlop.exe
%HOMEPATH%\atlop.exe
%HOMEPATH%\zmman.exe
Executes the following:
<SYSTEM32>\cmd.exe /c """%HOMEPATH%\a.bat"" "
<SYSTEM32>\svchost.exe
<SYSTEM32>\tasklist.exe
Injects code into
the following user processes:
firefox.exe
iexplore.exe
YahooMessenger.exe
msnmsgr.exe
ICQ.exe
Searches for windows to
detect programs and games:
ClassName: 'SkinuxWindow' WindowName: 'MySpaceIM with Skype'
Modifies file system :
Creates the following files:
%HOMEPATH%\dtlop.exe
%HOMEPATH%\zmman.exe
%HOMEPATH%\a.bat
%HOMEPATH%\atlop.exe
%HOMEPATH%\btlop.exe
%HOMEPATH%\ctlop.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\zmman.exe
<Drive name for removable media>:\zmmanx.exe
%HOMEPATH%\zmman.exe
<Drive name for removable media>:\autorun.inf
Deletes the following files:
%HOMEPATH%\atlop.exe
%HOMEPATH%\btlop.exe
Network activity:
Connects to:
TCP:
HTTP POST requests:
ta##hare.in/7ds8c687dsc87d6sc.php?in##############################################################################################################
UDP:
DNS ASK ta##hare.in
DNS ASK mo##lla.com
DNS ASK ra###share.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
ClassName: '1434452420' WindowName: '1721097947'
ClassName: '1590631583' WindowName: '231887138'
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