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Virus:TR/EyeStye.N.107
Date discovered:07/06/2011
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low
Static file:Yes
File size:172.067 Bytes
MD5 checksum:9D2FC019B4B7582C7AFD0D5D55E23449
VDF version:7.11.09.66 - Tuesday, June 7, 2011
IVDF version:7.11.09.66 - Tuesday, June 7, 2011

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Trojan.Win32.Jorik.SpyEyes.sy
   •  Bitdefender: Trojan.Generic.KDV.285014
   •  Eset: Win32/Kryptik.QER
   •  DrWeb: Trojan.PWS.SpySweep.45


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Drops a file
   • Registry modification

 Files It copies itself to the following location:
   • C:\Recycle.Bin\Recycle.Bin.exe



It deletes the initially executed copy of itself.



The following file is created:

– Non malicious file:
   • C:\Recycle.Bin\config.bin

 Registry One of the following values is added in order to run the process after reboot:

–  HKCU\Software\Microsoft\Windows\CurrentVersion\Run
   • "%random%"="C:\Recycle.Bin\Recycle.Bin.exe"



The following registry keys are added:

– HKCU\Software\Microsoft\Internet Explorer\PhishingFilter
   • "EnabledV8"=dword:00000000
   • "ShownServiceDownBalloon"=dword:00000000

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
   • "WarnOnIntranet"=dword:00000000

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\0
   • "1409"=dword:00000003

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\1
   • "1409"=dword:00000003

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\2
   • "1409"=dword:00000003

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\3
   • "1409"=dword:00000003

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\4
   • "1409"=dword:00000003



The following registry keys are changed:

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
   Old value:
   • "WarnOnPost"=hex:01,00,00,00
   • "ProxyHttp1.1"=dword:00000000
   • "WarnOnPostRedirect"=dword:00000001
   New value:
   • "WarnOnPost"=hex:00,00,00,00
   • "ProxyHttp1.1"=dword:00000001
   • "WarnOnPostRedirect"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\1
   Old value:
   • "1406"=dword:00000001
   New value:
   • "1406"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\3
   Old value:
   • "1406"=dword:00000003
   New value:
   • "1406"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Lockdown_Zones\4
   Old value:
   • "1406"=dword:00000003
   New value:
   • "1406"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\0
   Old value:
   • "1609"=dword:00000001
   New value:
   • "1609"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\1
   Old value:
   • "1406"=dword:00000001
   • "1609"=dword:00000001
   New value:
   • "1406"=dword:00000000
   • "1609"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\2
   Old value:
   • "1609"=dword:00000001
   New value:
   • "1609"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\3
   Old value:
   • "1406"=dword:00000003
   • "1609"=dword:00000001
   New value:
   • "1406"=dword:00000000
   • "1609"=dword:00000000

Lower security settings from Internet Explorer:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   Zones\4
   Old value:
   • "1406"=dword:00000003
   • "1609"=dword:00000001
   New value:
   • "1406"=dword:00000000
   • "1609"=dword:00000000

 Miscellaneous Internet connection:
In order to check for its internet connection the following DNS server is contacted:
   • www.fa**********ok.com

It queries with the name:
   • www.fa**********ok.com/log**********hp?guid**********2EB1&ver=10325&ie=**********&md5=**********&plg=**********=online

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX V2.00-V2.90

Description inserted by Szewee Tan on Wednesday, July 13, 2011
Description updated by Szewee Tan on Wednesday, July 13, 2011

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