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Win32.HLLW.Autoruner1.17528
Added to the Dr.Web virus database:
2012-06-18
Virus description added:
2012-07-09
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '$.uohnjxkxexg' = '"<SYSTEM32>\$.uohnjxkxexg\uohnjxkxexg.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'winarp' = '"<SYSTEM32>\$.winarp\winarp"'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RECYCLER\MSVBVM60.DLL
<Drive name for removable media>:\RECYCLER\temp.bat
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
Creates and executes the following:
<SYSTEM32>\$.winarp\6330383.exe
<SYSTEM32>\$.uohnjxkxexg\uohnjxkxexg.exe
C:\RECYCLER\temp.exe
<SYSTEM32>\$.winarp\winarp.com
Executes the following:
<SYSTEM32>\regsvr32.exe MSWINSCN.OCX /s
<SYSTEM32>\attrib.exe +H "Z:\autorun.inf"
<SYSTEM32>\attrib.exe +H "Z:\RECYCLER"
<SYSTEM32>\regsvr32.exe MSWINSCK.OCX /s
<SYSTEM32>\ipconfig.exe
<SYSTEM32>\cmd.exe /c ""<SYSTEM32>\$.uohnjxkxexg\uohnjxkxexg.bat" "
<SYSTEM32>\regsvr32.exe MSVBVM60.DLL /s
<SYSTEM32>\regsvr32.exe "<SYSTEM32>\MSVBVM60.DLL" /s
<SYSTEM32>\regsvr32.exe "<SYSTEM32>\MSWINSCK.OCX" /s
<SYSTEM32>\regsvr32.exe "<SYSTEM32>\MSWINSCN.OCX" /s
<SYSTEM32>\attrib.exe +H "E:\RECYCLER"
<SYSTEM32>\attrib.exe +H "E:\autorun.inf"
<SYSTEM32>\net1.exe stop mpssvc
<SYSTEM32>\net.exe stop mpssvc
Terminates or attempts to terminate
the following user processes:
Modifies file system :
Creates the following files:
<SYSTEM32>\$.uohnjxkxexg\uohnjxkxexg.bat
<SYSTEM32>\$.uohnjxkxexg\uohnjxkxexg.exe
<SYSTEM32>\$.uohnjxkxexg\SRSA.exe
C:\RECYCLER\KB.DLL
<SYSTEM32>\$.uohnjxkxexg\redirect.php
<SYSTEM32>\$.uohnjxkxexg\local.temp.dat
<SYSTEM32>\$.uohnjxkxexg\gate.temp.dat
<SYSTEM32>\$.winarp\6330383.exe
<SYSTEM32>\$.winarp\winarp.com
C:\RECYCLER\temp.exe
C:\RECYCLER\cb.dll
<SYSTEM32>\srsa.exe
<SYSTEM32>\$.winarp\srsa.exe
C:\RECYCLER\$.winarp\winarp.com
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
Deletes the following files:
%TEMP%\~DFBC2F.tmp
<SYSTEM32>\$.uohnjxkxexg\redirect.php
C:\RECYCLER\temp.exe
%TEMP%\~DF103A.tmp
Network activity:
Connects to:
'eu######u.agilityhoster.com':80
'eu####eru.110mb.com':80
'<Private IP address>':80
'www.fo##yip.com':80
'www.wh###smyip.com':80
'www.wh###myip.org':80
TCP:
HTTP GET requests:
eu######u.agilityhoster.comhttp://eui9hteru.agilityhoster.com/redirect2.php
eu####eru.110mb.comhttp://eui9hteru.110mb.com/redirect2.php
<Private IP address>/InternetGatewayDevice.xml
www.fo##yip.comhttp://www.formyip.com/
www.wh###smyip.comhttp://www.whatismyip.com/
www.wh###myip.orghttp://www.whatsmyip.org/
UDP:
DNS ASK eu######u.agilityhoster.com
DNS ASK eu####eru.110mb.com
DNS ASK www.wh###myip.org
DNS ASK www.fo##yip.com
DNS ASK www.wh###smyip.com
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