Categories: Malware

Win32/Tofsee.AX information

The Win32/Tofsee.AX 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.

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What Win32/Tofsee.AX virus can do?

  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Win32/Tofsee.AX?


File Info:

crc32: C936C71Amd5: 31ac0b940d55502455e78a8abafdea2ename: 31AC0B940D55502455E78A8ABAFDEA2E.mlwsha1: 5a2d8bfcb4d150baa614ddfaa506b1e2f57332a7sha256: 89bb0a84c52615fd16719e04b0057a7d8250608653ca703c3a480b92c6a2af85sha512: 29187ebdfb9240789479ea1c4f4a1269d95ee76be459592a40b30e9adeb8ee208333a44a77ca9ac85ca9b7969f8e8b28c8a1895bdf27c0844c4e5abafb3c1894ssdeep: 6144:6k/VCS/f1K1WnpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz:r8+1wWnptype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Tofsee.AX also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.542800
FireEye Generic.mg.31ac0b940d555024
McAfee GenericRXMO-JR!31AC0B940D55
Cylance Unsafe
Sangfor Malware
Cybereason malicious.40d555
Cyren W32/Tofsee.Q.gen!Eldorado
Symantec Trojan.Ascesso!gm
APEX Malicious
Avast Win32:BackdoorX-gen [Trj]
ClamAV Win.Trojan.Tofsee-6840338-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Razy.542800
Rising Backdoor.Tofsee!8.1E9 (TFE:2:HP3vnijYk5L)
Ad-Aware Gen:Variant.Razy.542800
F-Secure Backdoor.BDS/Backdoor.Gen
DrWeb Trojan.Siggen11.4272
Invincea ML/PE-A
McAfee-GW-Edition BehavesLike.Win32.Backdoor.vh
Emsisoft Gen:Variant.Razy.542800 (B)
Ikarus Trojan.Win32.Tofsee
Jiangmin Trojan.Generic.glstp
MaxSecure Trojan.Malware.300983.susgen
Avira BDS/Backdoor.Gen
Microsoft Backdoor:Win32/Tofsee.T
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Backdoor.Tofsee.C
Cynet Malicious (score: 100)
AhnLab-V3 Backdoor/Win32.Tofsee.R284452
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.@tW@a0gMk0j
ALYac Gen:Variant.Razy.542800
MAX malware (ai score=88)
VBA32 BScope.Trojan.Invader
Malwarebytes Backdoor.Tofsee
ESET-NOD32 a variant of Win32/Tofsee.AX
Yandex Trojan.GenAsa!XvO1cEIyueE
SentinelOne Static AI – Suspicious PE
Fortinet W32/Clampi.C!tr
AVG Win32:BackdoorX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM20.1.352F.Malware.Gen

How to remove Win32/Tofsee.AX?

  • 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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