;Template Description for Analyst: ;AnalystName: Enter your complete name ;AnalystEMailID: EMail ID of analyst ;Team: Specify team you belong to China, India, Romania or Ukraine ;Date: Define date in dd-mmm-yyy format, when you write or update this description, i.e. 10-JAN-2010 ;Type: This should come from malware name, like for Virus.Win32.Virut, Type is Virus ;Platform: This is always fixed as Win32 as of now ;Family: As this description belongs to ;Variant: If you are writing for a specific variant in a family, mention so, like Virus.Win32.Virut.CE ;OVERVIEW: Give a brief overview of malware behavior ;TECHNICAL_DESCRIPTION: Give complete technical description ;SYMPTOMPS: In case system is infected with malware and there are any visible symptomps, which can be identified by end user, mention so, if any ;DISINFECTION: If there are manual steps which user can use to remove malware, like remove certain registry entries or files, should be mentioned here. ; ;http://www.viruslist.com/en/viruses/encyclopedia?virusid=21782790 link's "Removal instructions" can be good example. ;Here are few example links, where other vendors have published information in various ;http://www.symantec.com/security_response/writeup.jsp?docid=2009-020411-2802-99 ;http://www.f-secure.com/v-descs/virus_w32_virut.shtml ;http://vil.nai.com/vil/content/v_154029.htm ;http://www.avast.com/eng/win32beagle.html ;http://free.avg.com/ww-en/66558 ;http://www.viruslist.com/en/viruses/encyclopedia?virusid=21782790 ;This ini file should be filled for every major variant and be attached to related ticket in trac [INFO] AnalystName=Ashwin Vamshi K AnalystEMailID=ashwinv@comodo.com Team=India Date=14-APR-2010 Type=TrojWare Platform=Win32 SubType= Family=Swisyn Variant=A [OVERVIEW] This Trojan program acts like a legitimate program which secretly performs malicious functions. Mostly the Files in Swisyn are Delphi and Visual Basic compiled and packed with various packers. It is usually user-initiated and some of the files use autorun entries to replicate themselves. Most variants have acitivity like injectors and keylogging [TECHNICAL_DESCRIPTION] Registry Values Added: HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V Dllhost Files Added: %UserDir%\Local Settings\Application Data\appdata.dll %UserDir%\Local Settings\Application Data\dllhost.exe [SYMPTOMS] Computers speed may decrease dramatically. Several Unknown Processes may be running on your computer. [DISINFECTION] Delete the Registry values added to the registry By Swisyn Delete IE temp files,restart the computer and run a whole scan with COMODO Internet Security