Categories: Malware

Zusy.413531 (B) malicious file

The Zusy.413531 (B) 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 Zusy.413531 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Macedonian
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • CAPE detected the Tofsee malware family
  • Created a service that was not started
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Zusy.413531 (B)?


File Info:

name: F86CCC235321D32281BE.mlwpath: /opt/CAPEv2/storage/binaries/c14121c37642bac027f1dccc23843739463d624146cec9491a8a3bc7fa63bb0acrc32: F905FB43md5: f86ccc235321d32281bea9efc3ac8a67sha1: 4e8a7a28ad395dc2bc232650aed49eb55d93a4b5sha256: c14121c37642bac027f1dccc23843739463d624146cec9491a8a3bc7fa63bb0asha512: ba6539b9027f4f08170fcd5c46bc25d10501350308e04a9ab264351067c5adbb678473c4041023b4727be269d446e97e28942de1edd6356cabd7e0e4034d5f9essdeep: 6144:Svtm/XnYdhxVdEc8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8p8pk:Gtm/YDxbEtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T148C6A68277F9D825F3F34A74957492D82A77FC97A835814EA0543B1B38B22C25DB1B23sha3_384: b06b7af03ac51786bc9ced719b793b5e2f54bca41ed68eeba7c50f0b0a1bd6c579aa28036ab0666abf67f45afb42f9ecep_bytes: e80f450000e978feffff8bff558bec81timestamp: 2020-11-03 08:33:26

Version Info:

FileVers: 65.51.36.16ProductVersa: 7.50.25.71InternalName: peatemasLegalCopyrighd: sharmirTranslation: 0x0169 0x0300

Zusy.413531 (B) also known as:

Elastic malicious (high confidence)
DrWeb Trojan.Siggen16.39360
MicroWorld-eScan Gen:Variant.Zusy.413531
FireEye Generic.mg.f86ccc235321d322
ALYac Gen:Variant.Zusy.413531
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.3683581
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
BitDefenderTheta Gen:NN.ZexaF.34182.@t0@aOq7OymG
Cyren W32/Kryptik.GDH.gen!Eldorado
Symantec Packed.Generic.620
ESET-NOD32 a variant of Win32/Kryptik.HODV
APEX Malicious
ClamAV Win.Malware.Generic-9937750-0
Kaspersky HEUR:Backdoor.Win32.Tofsee.pef
BitDefender Gen:Variant.Zusy.413531
Avast Win32:TrojanX-gen [Trj]
Sophos ML/PE-A
McAfee-GW-Edition BehavesLike.Win32.Generic.wt
Emsisoft Gen:Variant.Zusy.413531 (B)
SentinelOne Static AI – Malicious PE
Antiy-AVL Trojan/Generic.ASMalwS.35197DA
Microsoft Ransom:Win32/StopCrypt.PAS!MTB
ZoneAlarm HEUR:Backdoor.Win32.Tofsee.pef
GData Gen:Variant.Zusy.413531
Cynet Malicious (score: 100)
AhnLab-V3 Ransomware/Win.Stop.R468727
McAfee Packed-GBE!F86CCC235321
MAX malware (ai score=89)
VBA32 Malware-Cryptor.2LA.gen
Malwarebytes Trojan.MalPack.GS
Rising Backdoor.Tofsee!8.1E9 (RDMK:cmRtazqS/KrsJi18kKzhQsJriZAF)
Yandex Trojan.Kryptik!rWfZ4mXXI0Q
Ikarus Trojan.Win32.Krypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.HODR!tr
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.8ad395
Panda Trj/GdSda.A

How to remove Zusy.413531 (B)?

  • 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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