Submission Summary:

• Submission details:
• Submission received: 31 August 2012, 00:03:33
• Processing time: 8 min 1 sec
• Submitted sample:
• File MD5: 0xE67FC2F950B02AE485B7D8DC6F8768AC
• File SHA-1: 0x2A044C26E9705A8224AFFFED79E83543EA05787D
• Filesize: 124,928 bytes
• Alias:
• Mal/Behav-001 [Sophos]
• Worm:Win32/Yimfoca.gen!C [Microsoft]

• Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan.Generic	Common Components that may be used by Trojans Small, DRSN Search, Binet, Euniverse, Adrotator and Dloader among others.

File System Modifications

• The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\smss.exe [file and pathname of the sample #1]	124,928 bytes	MD5: 0xE67FC2F950B02AE485B7D8DC6F8768AC SHA-1: 0x2A044C26E9705A8224AFFFED79E83543EA05787D	Mal/Behav-001 [Sophos] Worm:Win32/Yimfoca.gen!C [Microsoft]

• Note:
• %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

• There was a new process created in the system:

• The following system service was modified:

• Notes:
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Registry Modifications

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Windows System Controler = "%Windir%\smss.exe"

so that smss.exe runs every time Windows starts

• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run]
• Windows System Controler = "%Windir%\smss.exe"

so that smss.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• Windows System Controler = "%Windir%\smss.exe"

so that smss.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex objects were created:
• Nvidias Drives
• _!SHMSFTHISTORY!_

• The following Host Names were requested from a host database:
• refugee-action.org.uk
• mas.univie.ac.at
• opl.munin.irf.se
• xxx.jagdcom.de
• mas.tguia.cl
• summer-uni-sw.eesp.ch
• stream.lostradio.net
• journalofaccountancy.com
• mmm.bolbalatrust.org
• websitetrafficspy.com
• jb.asm.org
• stayontime.info
• qun.51.com
• uks.linkedin.com
• xxx.stopklatka.pl
• unclefed.com
• mas.juegosbakugan.net
• astro.ic.ac.uk
• mas.archivum.info
• goodreads.com
• 192.5.5.241
• erdbeerlounge.de
• mix.thenaturistclub.com
• ale.pakibili.com
• ate.lacoctelera.net
• heidegger.x-y.net
• shopstyle.com
• versatek.com
• mix.price-erotske.in.rs
• albertoshistory.info
• mas.mtime.com
• mas.ahlamontada.com
• old.longjuyt2tugas.com
• old.youku.com
• middleastpost.org

• There was registered attempt to establish connection with the remote host. The connection details are:

• The following Internet Connection was established:

• The following GET requests were made:
• Browse/Browse.aspx
• Browse/index.jpg