Remove Malware: Frethog Trojan

Frethog malware description and removal detail
Categories:Trojan,Hacker Tool
Also known as:


[Kaspersky]Trojan-PSW.Win32.Agent.iu,Trojan-PWS.Win32.Agent.iu,Trojan-PSW.Win32.OnLineGames.bs,Trojan-PSW.Win32.OnLineGame.bs,Trojan-PSW.Win32.OnLineGames.es,Trojan-PSW.Win32.OnLineGames.gs,Trojan-PWS.Win32.WOW.qf,Trojan-PSW.Win32.OnLineGame.gs,Trojan-PSW.Win32.WOW.qr,Trojan-PSW.Win32.OnLineGames.qp,Trojan-PSW.Win32.OnLineGames.tz,Trojan-PSW.Win32.OnLineGames.uf,Trojan-PSW.Win32.OnLineGames.mp,Trojan.Win32.Qhost.Ip,Trojan-PSW.Win32.OnLineGames.tk,Trojan-PSW.Win32.Nilage.bju,Trojan-Downloader.Win32.Agent.bna,Trojan-PSW.Win32.OnLinesGames.es,Trojan-PSW.Win32.OnLineGames.te,Trojan-PSW.Win32.WOW.qo,Trojan-PSW.WIn32.OnLineGames.xg,Trojan-PSW.Win32.OnLineGames.sc,Trojan-PSW.Win32.OnLineGames.sy,Trojan-PSW.Win32.OnLineGames.ry,Trojan-PSW.Win32.OnLineGames.ox,Trojan-PSW.Win32.OnlineGames.wz,Trojan-PSW.Win32.OnLineGames.tl,Trojan-PSW.Win32.OnLineGames.yn,Trojan-PSW.Win32.Small.cf,Worm.Win32.Agent.aj,Trojan-PSW.Win32.OnLineGames.kw,Trojan-PWS.OnLineGames.aci,Trojan-Downloader.Win32.Agent.bek,Trojan-Downloader.Win32.Agent.dey,Trojan-PSW.Win32.OnLineGames.edt,Trojan-PSW.Win32.Nilage.bty;
[McAfee]PWS-Legmir.dll,PWS-Lineage,New Malware.w,PWS-LegMir.gen.b,PWS-WoW,PWS-Mmorpg.gen,PWS-LegMir,New malware.aj,Generic.PWS;
[F-Prot]W32/PWStealer.AIN,W32/PWStealer,W32/PWStealer.gen1,W32/PWStealer.JBY,W32/PWStealer.GQS,W32/PWStealer.JTI,W32/PWStealer2!Generic;
[Other]Win32/Frethog,win32/Frethog.B,Infostealer,Infostealer.Menghuan,TSPY_AGENT.FUY,Win32/Frethog.H,W32/OnLineGames.FX,Infostealer.Gampass,Win32/Frethog.BT,Win32/Frethog.BH,Win32/Frethog.BI,Win32/Frethog.BD,Win32/Frethog.AX,Win32/Frethog.BU,Infostealer.Perfwo,W32/Blackhole.LN,Mal/Packer,Win32/Frethog.AG,Win32/Frethog.BF,Win32/Frethog.DB,Win32/Frethog.DC,Win32/Frethog.DU,Win32/Frethog.IJ,Win32/Frethog.IG,Win32/Frethog.IM,Win32/Frethog.IO,Win32/Frethog.JG,Win32/Frethog!generic,Win32/Frethog.KQ,Win32/Frethog.KR,Win32/Frethog.KS,Win32/Frethog.KT,Win32/Frethog.KU,Win32/Frethog.KV,Win32/Frethog.JU,Win32/Frethog.OB,Win32/Frethog.OX,Win32/Frethog.ND,VirTool:Win32/Obfuscator.A,OnlineGames.dam,TSPY_ONLINEG.BLG,Trojan.Win32.NSAnti.b,PWS:Win32/Frethog.E,W32/OnLineGames.DDZ,TSPY_ONLINEG.BIF,Troja/PSW-Gen,Trojan-PWS.7BE35CC9,Win32/Frethog.QR,PWS:Win32/Frethog.C,W32/Horst.gen31,Win32/Frethog.QO,TSPY_ONLINEG.AXS,Win32/Frethog.QV,W32/OnLineGames.GJP,Win32/Frethog.SL,Win32/Frethog.SG,Win32/Frethog.SF,Win32/Frethog.SE,Win32/Frethog.SD,Win32/Frethog.SC,Win32/Frethog.SI,Win32/Frethog.SR,Virus:Win32/Detnat.F,W32/Viking.gen4,TROJ_Generic,Mal/EncPk-F,INfostealer.Gampass,Win32/Frethog.TI,Win32/Frethog.TH,Win32/Frethog.SS,Trojan.Packed.NsAnti,Mal/EncPk-I,Infostealer.Wowcraft,Infostealer.Gamepass,Win32/Frethog.UF,Win32/Frethog.UG,Win32/Frethog.UH,Win32/Frethog.VB,PWS:Win32/Frethog.D,W32/Suspicious_U.gen.dropper,TPSY_LEGMIR.AWY,TSPY_FRETHOG.PU,Win32/Frethog WT,Win32/Frethog.WS,Win32/Frethog.XD,Win32/Frethog.WR,PWS:Win32/Frethog.F,PWS:Win32/Frethog.gen!E,TSPY_ONLINEG.HVZ,Mal/Gampass-A,W32/Hupigon.gen67,W32/Lineage.AXZP,TSPY_NILAGE.PY

Visible Symptoms:
Files in system folders:

 
[%PROFILE_TEMP%]\woso.exe
[%PROFILE_TEMP%]\woso0.dll
[%PROFILE_TEMP%]\ztso.exe
[%PROFILE_TEMP%]\ztso0.dll
[%SYSTEM%]\dllhost32.exe
[%SYSTEM%]\mppds.dll
[%SYSTEM%]\NVDispDrv.dll
[%WINDOWS%]\mppds.exe
[%WINDOWS%]\NVDispDrv.exe
[%PROFILE%]\Temp\zts0.dll
[%PROFILE_TEMP%]\mhs0.dll
[%PROFILE_TEMP%]\mhs2.dll
[%PROFILE_TEMP%]\mhs2.exe
[%PROFILE_TEMP%]\mhso.exe
[%PROFILE_TEMP%]\mhso0.dll
[%PROFILE_TEMP%]\RavMonD.exe
[%PROFILE_TEMP%]\wgso.exe
[%PROFILE_TEMP%]\wgso0.dll
[%PROFILE_TEMP%]\wlzs.dll
[%PROFILE_TEMP%]\wlzs.exe
[%PROFILE_TEMP%]\zts2.dll
[%PROFILE_TEMP%]\zts2.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.exe
[%SYSTEM%]\cmdbcs.dll
[%SYSTEM%]\dh2103.dll
[%SYSTEM%]\DiskMan32.dll
[%SYSTEM%]\Kvsc3.dll
[%SYSTEM%]\mh104.dll
[%SYSTEM%]\MOSOU.dll
[%SYSTEM%]\mosou.exe
[%SYSTEM%]\nmhxy.dll
[%SYSTEM%]\nmhxy.exe
[%SYSTEM%]\nwizdh.exe
[%SYSTEM%]\nwiztlbb.dll
[%SYSTEM%]\nwiztlbu.exe
[%SYSTEM%]\nwizwmgjs.dll
[%SYSTEM%]\nwizwmgjs.exe
[%SYSTEM%]\nwizzhuxians.dll
[%SYSTEM%]\nwizzhuxians.exe
[%SYSTEM%]\RAV00AE.DAT
[%SYSTEM%]\RAV00AE.exe
[%SYSTEM%]\RAVMY623.dll
[%SYSTEM%]\upxdnd.dll
[%SYSTEM%]\vbsdaas2.exe
[%SYSTEM%]\WSVBRS.dll
[%SYSTEM%]\wsvbs.dll
[%SYSTEM%]\wsvbs.exe
[%SYSTEM%]\xk1s0.dll
[%WINDOWS%]\cmdbcs.exe
[%WINDOWS%]\DiskMan32.exe
[%WINDOWS%]\Kvsc3.exe
[%WINDOWS%]\mhs3.exe
[%WINDOWS%]\upxdnd.exe
[%WINDOWS%]\wsvbs.exe
[%WINDOWS%]\zts3.exe
[%PROFILE_TEMP%]\woso.exe
[%PROFILE_TEMP%]\woso0.dll
[%PROFILE_TEMP%]\ztso.exe
[%PROFILE_TEMP%]\ztso0.dll
[%SYSTEM%]\dllhost32.exe
[%SYSTEM%]\mppds.dll
[%SYSTEM%]\NVDispDrv.dll
[%WINDOWS%]\mppds.exe
[%WINDOWS%]\NVDispDrv.exe
[%PROFILE%]\Temp\zts0.dll
[%PROFILE_TEMP%]\mhs0.dll
[%PROFILE_TEMP%]\mhs2.dll
[%PROFILE_TEMP%]\mhs2.exe
[%PROFILE_TEMP%]\mhso.exe
[%PROFILE_TEMP%]\mhso0.dll
[%PROFILE_TEMP%]\RavMonD.exe
[%PROFILE_TEMP%]\wgso.exe
[%PROFILE_TEMP%]\wgso0.dll
[%PROFILE_TEMP%]\wlzs.dll
[%PROFILE_TEMP%]\wlzs.exe
[%PROFILE_TEMP%]\zts2.dll
[%PROFILE_TEMP%]\zts2.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.exe
[%SYSTEM%]\cmdbcs.dll
[%SYSTEM%]\dh2103.dll
[%SYSTEM%]\DiskMan32.dll
[%SYSTEM%]\Kvsc3.dll
[%SYSTEM%]\mh104.dll
[%SYSTEM%]\MOSOU.dll
[%SYSTEM%]\mosou.exe
[%SYSTEM%]\nmhxy.dll
[%SYSTEM%]\nmhxy.exe
[%SYSTEM%]\nwizdh.exe
[%SYSTEM%]\nwiztlbb.dll
[%SYSTEM%]\nwiztlbu.exe
[%SYSTEM%]\nwizwmgjs.dll
[%SYSTEM%]\nwizwmgjs.exe
[%SYSTEM%]\nwizzhuxians.dll
[%SYSTEM%]\nwizzhuxians.exe
[%SYSTEM%]\RAV00AE.DAT
[%SYSTEM%]\RAV00AE.exe
[%SYSTEM%]\RAVMY623.dll
[%SYSTEM%]\upxdnd.dll
[%SYSTEM%]\vbsdaas2.exe
[%SYSTEM%]\WSVBRS.dll
[%SYSTEM%]\wsvbs.dll
[%SYSTEM%]\wsvbs.exe
[%SYSTEM%]\xk1s0.dll
[%WINDOWS%]\cmdbcs.exe
[%WINDOWS%]\DiskMan32.exe
[%WINDOWS%]\Kvsc3.exe
[%WINDOWS%]\mhs3.exe
[%WINDOWS%]\upxdnd.exe
[%WINDOWS%]\wsvbs.exe
[%WINDOWS%]\zts3.exe

In order to ensure that the Frethog is launched automatically each time the system is booted, the Frethog adds a link to its executable file in the system registry:
HKLM\Microsoft\Windows\CurrentVersion\Run [%PROFILE_TEMP%]\woso.exe [%PROFILE_TEMP%]\ztso.exe [%SYSTEM%]\dllhost32.exe [%WINDOWS%]\mppds.exe [%WINDOWS%]\NVDispDrv.exe [%PROFILE_TEMP%]\mhs2.exe [%PROFILE_TEMP%]\mhso.exe [%PROFILE_TEMP%]\RavMonD.exe [%PROFILE_TEMP%]\wgso.exe [%PROFILE_TEMP%]\wlzs.exe [%PROFILE_TEMP%]\zts2.exe [%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.exe [%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.exe [%SYSTEM%]\mosou.exe [%SYSTEM%]\nmhxy.exe [%SYSTEM%]\nwizdh.exe [%SYSTEM%]\nwiztlbu.exe [%SYSTEM%]\nwizwmgjs.exe [%SYSTEM%]\nwizzhuxians.exe [%SYSTEM%]\RAV00AE.exe [%SYSTEM%]\vbsdaas2.exe [%SYSTEM%]\wsvbs.exe [%WINDOWS%]\cmdbcs.exe [%WINDOWS%]\DiskMan32.exe [%WINDOWS%]\Kvsc3.exe [%WINDOWS%]\mhs3.exe [%WINDOWS%]\upxdnd.exe [%WINDOWS%]\wsvbs.exe [%WINDOWS%]\zts3.exe

Platforms / OS: Windows 95, Windows 98, Windows 98 SE, Windows NT, Windows ME, Windows 2000, Windows XP, Windows 2003, Windows Vista

 
Detecting Frethog:
  Files:  
[%PROFILE_TEMP%]\woso.exe
[%PROFILE_TEMP%]\woso0.dll
[%PROFILE_TEMP%]\ztso.exe
[%PROFILE_TEMP%]\ztso0.dll
[%SYSTEM%]\dllhost32.exe
[%SYSTEM%]\mppds.dll
[%SYSTEM%]\NVDispDrv.dll
[%WINDOWS%]\mppds.exe
[%WINDOWS%]\NVDispDrv.exe
[%PROFILE%]\Temp\zts0.dll
[%PROFILE_TEMP%]\mhs0.dll
[%PROFILE_TEMP%]\mhs2.dll
[%PROFILE_TEMP%]\mhs2.exe
[%PROFILE_TEMP%]\mhso.exe
[%PROFILE_TEMP%]\mhso0.dll
[%PROFILE_TEMP%]\RavMonD.exe
[%PROFILE_TEMP%]\wgso.exe
[%PROFILE_TEMP%]\wgso0.dll
[%PROFILE_TEMP%]\wlzs.dll
[%PROFILE_TEMP%]\wlzs.exe
[%PROFILE_TEMP%]\zts2.dll
[%PROFILE_TEMP%]\zts2.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.exe
[%SYSTEM%]\cmdbcs.dll
[%SYSTEM%]\dh2103.dll
[%SYSTEM%]\DiskMan32.dll
[%SYSTEM%]\Kvsc3.dll
[%SYSTEM%]\mh104.dll
[%SYSTEM%]\MOSOU.dll
[%SYSTEM%]\mosou.exe
[%SYSTEM%]\nmhxy.dll
[%SYSTEM%]\nmhxy.exe
[%SYSTEM%]\nwizdh.exe
[%SYSTEM%]\nwiztlbb.dll
[%SYSTEM%]\nwiztlbu.exe
[%SYSTEM%]\nwizwmgjs.dll
[%SYSTEM%]\nwizwmgjs.exe
[%SYSTEM%]\nwizzhuxians.dll
[%SYSTEM%]\nwizzhuxians.exe
[%SYSTEM%]\RAV00AE.DAT
[%SYSTEM%]\RAV00AE.exe
[%SYSTEM%]\RAVMY623.dll
[%SYSTEM%]\upxdnd.dll
[%SYSTEM%]\vbsdaas2.exe
[%SYSTEM%]\WSVBRS.dll
[%SYSTEM%]\wsvbs.dll
[%SYSTEM%]\wsvbs.exe
[%SYSTEM%]\xk1s0.dll
[%WINDOWS%]\cmdbcs.exe
[%WINDOWS%]\DiskMan32.exe
[%WINDOWS%]\Kvsc3.exe
[%WINDOWS%]\mhs3.exe
[%WINDOWS%]\upxdnd.exe
[%WINDOWS%]\wsvbs.exe
[%WINDOWS%]\zts3.exe
[%PROFILE_TEMP%]\woso.exe
[%PROFILE_TEMP%]\woso0.dll
[%PROFILE_TEMP%]\ztso.exe
[%PROFILE_TEMP%]\ztso0.dll
[%SYSTEM%]\dllhost32.exe
[%SYSTEM%]\mppds.dll
[%SYSTEM%]\NVDispDrv.dll
[%WINDOWS%]\mppds.exe
[%WINDOWS%]\NVDispDrv.exe
[%PROFILE%]\Temp\zts0.dll
[%PROFILE_TEMP%]\mhs0.dll
[%PROFILE_TEMP%]\mhs2.dll
[%PROFILE_TEMP%]\mhs2.exe
[%PROFILE_TEMP%]\mhso.exe
[%PROFILE_TEMP%]\mhso0.dll
[%PROFILE_TEMP%]\RavMonD.exe
[%PROFILE_TEMP%]\wgso.exe
[%PROFILE_TEMP%]\wgso0.dll
[%PROFILE_TEMP%]\wlzs.dll
[%PROFILE_TEMP%]\wlzs.exe
[%PROFILE_TEMP%]\zts2.dll
[%PROFILE_TEMP%]\zts2.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVDHMON.exe
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.DAT
[%PROGRAM_FILES%]\Internet Explorer\RAVTLMON.exe
[%SYSTEM%]\cmdbcs.dll
[%SYSTEM%]\dh2103.dll
[%SYSTEM%]\DiskMan32.dll
[%SYSTEM%]\Kvsc3.dll
[%SYSTEM%]\mh104.dll
[%SYSTEM%]\MOSOU.dll
[%SYSTEM%]\mosou.exe
[%SYSTEM%]\nmhxy.dll
[%SYSTEM%]\nmhxy.exe
[%SYSTEM%]\nwizdh.exe
[%SYSTEM%]\nwiztlbb.dll
[%SYSTEM%]\nwiztlbu.exe
[%SYSTEM%]\nwizwmgjs.dll
[%SYSTEM%]\nwizwmgjs.exe
[%SYSTEM%]\nwizzhuxians.dll
[%SYSTEM%]\nwizzhuxians.exe
[%SYSTEM%]\RAV00AE.DAT
[%SYSTEM%]\RAV00AE.exe
[%SYSTEM%]\RAVMY623.dll
[%SYSTEM%]\upxdnd.dll
[%SYSTEM%]\vbsdaas2.exe
[%SYSTEM%]\WSVBRS.dll
[%SYSTEM%]\wsvbs.dll
[%SYSTEM%]\wsvbs.exe
[%SYSTEM%]\xk1s0.dll
[%WINDOWS%]\cmdbcs.exe
[%WINDOWS%]\DiskMan32.exe
[%WINDOWS%]\Kvsc3.exe
[%WINDOWS%]\mhs3.exe
[%WINDOWS%]\upxdnd.exe
[%WINDOWS%]\wsvbs.exe
[%WINDOWS%]\zts3.exe  
     Registry Values:  
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\active setup\installed components\{5ff01121-f04d-30cf-64cd-74ff5fe1cf1c}
HKEY_LOCAL_MACHINE\software\microsoft\active setup\installed components\{6a202101-f04d-11cf-64cd-31ff5fe1cf20}
HKEY_LOCAL_MACHINE\software\microsoft\active setup\installed components\{77709117-a10d-41cf-64cd-51ff5fe1cf41}
HKEY_LOCAL_MACHINE\software\microsoft\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\policies\explorer\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\policies\explorer\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run  
    
Removing Frethog:
  An up-to-date copy of ExterminateIt  should detect and prevent infection from Frethog.
    If you do not have ExterminateIt and you are worried that you may have infected computer,   you could run trial version of ExterminateIt,  or remove Frethog manually.
  To completely manually remove Frethog malware from your computer,  you need to delete the Windows registry keys and registry values, the files and folders  associated with Frethog.
   Use Task Manager to terminate the Frethog process.
   Delete the original Frethog file and folders.
   Delete the system registry key parameters
   Update your antivirus databases or buy antivirus software  and perform a full scan of the computer.
  
    We recommends that all Internet users    back up any important information on their computers,    enable maximum protection from network attacks and malicious code on their computers,    refrain from executing suspicious programs received from untrustworthy sources.  
      ExterminateIt effectively and automatically removes Frethog from you computer    and is a good solution for those who are seeking easy and effective protection for their computer    from Trojan Horses, Rootkits, Backdoors, spyware, botnets, keystroke loggers, dialers and other malicious software(malware).  
      Download ExterminateIt!    to instantly get rid of Frethog!  
Also Be Aware of the Following Threats:
Bancos.GRO Trojan Information
Pigeon.AVOI Trojan Cleaner
Loadwin.exe Trojan Symptoms
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Boot.IIB.Build RAT Removal instruction

Remove Malware

Monday, November 3, 2008

Frethog Trojan

Detecting Frethog:

Removing Frethog:

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