Categories: Backdoor

Backdoor.Tofsee removal guide

The Backdoor.Tofsee is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor.Tofsee virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Unconventionial language used in binary resources: Portuguese (Brazilian)
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself

How to determine Backdoor.Tofsee?


File Info:

crc32: 3A9BD711md5: 72cfa33b978294103889481feca472f2name: pred777amx.exesha1: 0615eb31fd67345b9fa0d57d12a3bcb363152abesha256: 5d366decba2f9078f457cb35fe7bfd198760683a709f0d33745fc6e0ba59ac8asha512: d1de5fee23b7a858ec62b849cd8a41cf896ab8b6df4836c65ba36942c1d1727b36832d45713a578c93e8a0b8650bf55923568637d91bb9b2196257a2ae015559ssdeep: 3072:m04yjyyUD1HncBNyBNp5oEug4OkyJAQF1G8Xrrw+cC+lJDJEQkjvuMM:SR1HUUPCEZ4OkyJ9rrw+cZTuZSMMtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0115 0x04e5

Backdoor.Tofsee also known as:

MicroWorld-eScan Trojan.GenericKD.32903399
CAT-QuickHeal Backdoor.Tofsee
McAfee GenericRXJK-EQ!72CFA33B9782
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0055e4a71 )
BitDefender Trojan.GenericKD.32903399
K7GW Trojan ( 0055e4a71 )
TrendMicro TROJ_GEN.R002C0DA720
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GZYT
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
ClamAV Win.Trojan.Agent-7490402-0
Kaspersky HEUR:Backdoor.Win32.Tofsee.vho
Alibaba TrojanPSW:Win32/Azorult.c0394c75
Ad-Aware Trojan.GenericKD.32903399
Emsisoft Trojan.Generic (A)
Comodo Malware@#2ybtolpr855mx
DrWeb Trojan.Spynet.33
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.PUPXFM.dh
FireEye Generic.mg.72cfa33b97829410
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.Zenpak.ari
Fortinet W32/Malicious_Behavior.VEX
Arcabit Trojan.Generic.D1F610E7
ZoneAlarm HEUR:Backdoor.Win32.Tofsee.vho
Microsoft PWS:Win32/Azorult.V!MTB
AhnLab-V3 Trojan/Win32.MalPe.R306780
ALYac Spyware.Infostealer.Azorult
MAX malware (ai score=100)
VBA32 BScope.Trojan.Fuerboos
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002C0DA720
Rising Trojan.Kryptik!1.C10B (CLASSIC)
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_81%
GData Trojan.GenericKD.32903399
AVG Win32:CrypterX-gen [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Backdoor.3ba

How to remove Backdoor.Tofsee?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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Paul Valéry

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