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Win32.HLLW.Autoruner.50448
Added to the Dr.Web virus database:
2011-05-25
Virus description added:
2012-01-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /E'
[<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\1497169536] 'Name' = '%TEMP%\3.tmp'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qesum' = '%HOMEPATH%\qesum.exe /a'
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>:\HCM.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\qesum.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\qesumx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
%TEMP%\qrls.exe (downloaded from the Internet)
%TEMP%\vlnjwlil.exe (downloaded from the Internet)
%TEMP%\huwhjcx.exe (downloaded from the Internet)
%TEMP%\-1998166001 (downloaded from the Internet)
%TEMP%\bebcklqy.exe (downloaded from the Internet)
%TEMP%\ojsbbw.exe (downloaded from the Internet)
%HOMEPATH%\qy.exe
%HOMEPATH%\qx.exe
%HOMEPATH%\Q9c15533VCgkLPk5.exe
%TEMP%\dfojmv.exe (downloaded from the Internet)
%HOMEPATH%\qesum.exe
%HOMEPATH%\rsvhost.exe
Executes the following:
<SYSTEM32>\tasklist.exe
<SYSTEM32>\svchost.exe
Injects code into
the following system processes:
%WINDIR%\Explorer.EXE
<SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
%TEMP%\qrls.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\uhhymdqu[1].php
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\lyyyzdduh[1].php
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\vvvmmddhvl[1].php
%TEMP%\vlnjwlil.exe
%TEMP%\bebcklqy.exe
%TEMP%\-1998166001
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\kxyyp[1].php
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\vvvjzar[1].php
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\bosgwxbeff[1].php
%TEMP%\ojsbbw.exe
%TEMP%\huwhjcx.exe
%HOMEPATH%\rsvhost.exe
%HOMEPATH%\qy.exe
%HOMEPATH%\Q9c15533VCgkLPk5.exe
%HOMEPATH%\qx.exe
%TEMP%\2.tmp
%TEMP%\dfojmv.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\wjwwnae[1].php
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\hhlycptx[1].php
%WINDIR%\Temp\4.tmp
%HOMEPATH%\qesum.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\qesum.exe
<Drive name for removable media>:\qesumx.exe
<Drive name for removable media>:\HCM.ico
%HOMEPATH%\qesum.exe
<Drive name for removable media>:\autorun.inf
Deletes the following files:
%HOMEPATH%\qy.exe
%HOMEPATH%\Q9c15533VCgkLPk5.exe
<SYSTEM32>\svchost.exe
%TEMP%\3.tmp
<DRIVERS>\etc\hosts
%WINDIR%\Temp\4.tmp
Network activity:
Connects to:
TCP:
HTTP GET requests:
aa###lic.com/bdqqu/vvvjzar.php?ad####################################
aa###lic.com/bdqqu/bosgwxbeff.php?ad####################################
aa###lic.com/bdqqu/kxyyp.php?ad##################################################################
aa###lic.com/bdqqu/lmzdd.php?ad####################################
aa###lic.com/bdqqu/ivjwneei.php?ad####################################
aa###lic.com/bdqqu/wjwwnae.php?ad####################################
aa###lic.com/bdqqu/hhlycptx.php?ad####################################
aa###lic.com/bdqqu/vvvmmddhvl.php?ad####################################
aa###lic.com/bdqqu/uhhymdqu.php?ad####################################
aa###lic.com/bdqqu/lyyyzdduh.php?ad####################################
UDP:
DNS ASK aa###lic.com
'<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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