Categories: Malware

VirTool:Win32/AmsiTamper (file analysis)

The VirTool:Win32/AmsiTamper 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.
6-day free trial available.

What VirTool:Win32/AmsiTamper virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to modify desktop wallpaper
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup

How to determine VirTool:Win32/AmsiTamper?


File Info:

name: 55698DB1CD3094347482.mlwpath: /opt/CAPEv2/storage/binaries/10d139b70564c40a6bbaf5e06dd8739c31cb4b2f901b17dff2f9f910c7a8161dcrc32: 35018BCDmd5: 55698db1cd30943474820f218735a842sha1: 9e5d6d3fc095e2f4387ab895d707a882746b67ccsha256: 10d139b70564c40a6bbaf5e06dd8739c31cb4b2f901b17dff2f9f910c7a8161dsha512: 95266b432f52c1380030c8c462a40009732ae0bfcd8d822437ba06919d9dc3ab0ca9f9b17caaf50004ef6ee85e2a9e7b923eb232418910948218ce9fbbcfae53ssdeep: 6144:4uwoSmUYAh47SPfyZEguKiS/B+4m/GZSzZbP5bZMjYXmH65drr/5A9v7kwV:4uw9mLaK/B+49qxbZMjY2OFegwVtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16474F14276C16570EAB3193298799E925E7EFC681F15DD6F2388027E0F346C1C925E3Bsha3_384: 9b9188bd40fd4d4911c92962a9fca8ec13c2a45756da0f73a782cff7bc1e4d168921a74c10411cb03d6d48663fe7bbc0ep_bytes: e8e1040000e97afeffff558bec6a00fftimestamp: 2022-05-01 17:10:51

Version Info:

0: [No Data]

VirTool:Win32/AmsiTamper also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.406521
FireEye Generic.mg.55698db1cd309434
McAfee Artemis!55698DB1CD30
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00581f931 )
Alibaba Trojan:MSIL/Injector.2be0d814
K7GW Trojan ( 00581f931 )
CrowdStrike win/malicious_confidence_100% (W)
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Injector.VOF
APEX Malicious
Paloalto generic.ml
ClamAV Win.Malware.Bulz-9893328-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Zusy.406521
Avast Win32:TrojanX-gen [Trj]
Tencent Win32.Trojan.Generic.Suxt
Ad-Aware Gen:Variant.Zusy.406521
Emsisoft Gen:Variant.Zusy.406521 (B)
F-Secure Trojan.TR/Dropper.MSIL.Gen
DrWeb Trojan.Inject4.17628
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
Sophos Mal/Generic-S
Ikarus Trojan.MSIL.Injector
GData Gen:Variant.Zusy.406521
Avira TR/Dropper.MSIL.Gen
MAX malware (ai score=82)
Antiy-AVL Trojan[Backdoor]/Win32.Bladabindi
Arcabit Trojan.Zusy.D633F9
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft VirTool:Win32/AmsiTamper
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C5123075
VBA32 BScope.Trojan.InjectNET
ALYac Gen:Variant.Zusy.406521
Malwarebytes Trojan.Crypt
TrendMicro-HouseCall TROJ_GEN.R002H0CE822
Rising Trojan.Generic!8.C3 (CLOUD)
SentinelOne Static AI – Malicious PE
Fortinet W32/PossibleThreat
BitDefenderTheta Gen:NN.ZexaF.34666.vuW@a8R5Wyei
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.1cd309
Panda Trj/Genetic.gen

How to remove VirTool:Win32/AmsiTamper?

  • 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.

Recent Posts

What is “MSIL/TrojanDropper.Agent.BVT”?

The MSIL/TrojanDropper.Agent.BVT is considered dangerous by lots of security experts. When this infection is active,…

1 day ago

Should I remove “Generic.Dacic.94CCEEA9.A.A4A6DA47”?

The Generic.Dacic.94CCEEA9.A.A4A6DA47 is considered dangerous by lots of security experts. When this infection is active,…

1 day ago

Malware.AI.524217860 removal tips

The Malware.AI.524217860 is considered dangerous by lots of security experts. When this infection is active,…

1 day ago

Trojan:Win32/Koutodoor.F removal tips

The Trojan:Win32/Koutodoor.F is considered dangerous by lots of security experts. When this infection is active,…

1 day ago

How to remove “Malware.AI.1412460714”?

The Malware.AI.1412460714 is considered dangerous by lots of security experts. When this infection is active,…

1 day ago

Generic.Dacic.8952383F.A.5EC8C34B removal instruction

The Generic.Dacic.8952383F.A.5EC8C34B is considered dangerous by lots of security experts. When this infection is active,…

1 day ago