Categories: Malware

Fragtor.52301 (file analysis)

The Fragtor.52301 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 Fragtor.52301 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Spanish (Argentina)
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Deletes its original binary from disk
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • CAPE detected the Formbook malware family
  • Uses suspicious command line tools or Windows utilities

How to determine Fragtor.52301?


File Info:

name: 9BA44A0DCAE6ECB4B6FD.mlwpath: /opt/CAPEv2/storage/binaries/da3dd9f2950e4a53118eade97cc8a2a42c35e280729b243a0df2e2783469e4dbcrc32: 1C1768B0md5: 9ba44a0dcae6ecb4b6fd31165dd1fabdsha1: ca09627ab8d5faf09deffe55bddc65382f151800sha256: da3dd9f2950e4a53118eade97cc8a2a42c35e280729b243a0df2e2783469e4dbsha512: 88b03833b66d3fbce88641ec64f28a0de89e8310fe0e2513f4ba5d9336ad0d1212e55bd9a0ebd7cf79485e8d095a34c3a64c8a5db562d57aec5b36b7679a7247ssdeep: 6144:mgXLjGd5C0aYfRJ1echWsE2BmLYbBFwoe/DrUFlZUuzbgwuJG:dmd5C5YJechnEyeYbQokVunnXtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A194E130759CC27EC59715B04824CA95AE7E78335954804B77A81B2E2E30FDC4AE6FDEsha3_384: 4f64523f4c7ce1ca7fc898534790214e2de7abf41eb2e06b18d0174ec36a76f9a857b43b48668706d8b9072454ec5c76ep_bytes: e8cc4d0000e979feffffcccccccccccctimestamp: 2020-12-15 21:49:41

Version Info:

InternationalName: bomgvioci.iwaCopyright: Copyrighz (C) 2021, fudkortProjectVersion: 3.14.70.17Translation: 0x0129 0x0794

Fragtor.52301 also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Stop.j!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Fragtor.52301
FireEye Generic.mg.9ba44a0dcae6ecb4
ALYac Gen:Variant.Fragtor.52301
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 003e58dd1 )
Alibaba Ransom:Win32/StopCrypt.7abc5d4e
K7GW Trojan ( 005690671 )
Cybereason malicious.ab8d5f
Cyren W32/Kryptik.GAO.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.HNYD
APEX Malicious
ClamAV Win.Malware.Mikey-9917879-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Gen:Variant.Fragtor.52301
Avast Win32:AceCrypter-B [Cryp]
Tencent Win32.Trojan.Stop.Hwmm
Ad-Aware Gen:Variant.Fragtor.52301
Sophos Mal/Generic-S + Mal/Agent-AWV
DrWeb Trojan.Siggen16.30095
Zillya Trojan.Kryptik.Win32.3677221
TrendMicro Ransom_StopCrypt.R002C0DAR22
McAfee-GW-Edition BehavesLike.Win32.Packed.gh
Emsisoft Trojan.Crypt (A)
Jiangmin Trojan.Agent.dube
Avira TR/AD.Swotter.hdfca
MAX malware (ai score=86)
Antiy-AVL Trojan/Generic.ASMalwS.351730B
Gridinsoft Ransom.Win32.STOP.sa
Microsoft Ransom:Win32/StopCrypt.PAL!MTB
GData Win32.Trojan.BSE.16VOW5Z
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.MalPE.R463375
McAfee Packed-GEE!9BA44A0DCAE6
VBA32 BScope.Trojan.Convagent
Malwarebytes Trojan.MalPack
TrendMicro-HouseCall Ransom_StopCrypt.R002C0DAR22
Rising Ransom.Stop!8.10810 (CLOUD)
Yandex Trojan.Igent.bXhAn3.5
Fortinet W32/GenKryptik.ERHN!tr
BitDefenderTheta Gen:NN.ZexaF.34182.zqX@aKm2WXIe
AVG Win32:AceCrypter-B [Cryp]
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Fragtor.52301?

  • 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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