Categories: Malware

Should I remove “Zusy.378774 (B)”?

The Zusy.378774 (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.378774 (B) virus can do?

  • Attempts to connect to a dead IP:Port (3 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Creates an autorun.inf file
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Modifies boot configuration settings
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Clears Windows events or logs
  • Creates a copy of itself
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Uses suspicious command line tools or Windows utilities

How to determine Zusy.378774 (B)?


File Info:

crc32: C74DD894md5: 19acf6d08e033f661536a076326ec359name: 19ACF6D08E033F661536A076326EC359.mlwsha1: c14ab4ca0413029ea2461bf31cedf866146e6852sha256: d1ec2c7056b12e98031c11065d3f3a1f04df5c3ab74c3f47bbb36c6207ca2765sha512: 9d19df8a740eb286af62d8a1d75a60ae274e9a15c18ffa24d6c8fea66a7658237a3dcac4e627756fc95cf4c78725314fc8664ed099fa98e8842a23e251018b34ssdeep: 24576:7xs/L4U7IrLBms4o2S3ge8ZuuTCxrblAWcn1snN:87IrLBmQ2SQsuTCFxAWcn1snNtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: taskhost.exeFileVersion: 10.0.17763.831 (WinBuild.160101.0800)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 10.0.17763.831FileDescription: Host Process for Windows TasksOriginalFilename: taskhost.exeTranslation: 0x0409 0x04b0

Zusy.378774 (B) also known as:

K7AntiVirus Trojan ( 00577dec1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Zusy.378774
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.19471
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/Avaddon.42e960ff
K7GW Trojan ( 00577dec1 )
Cybereason malicious.08e033
Symantec Ransom.Avaddon!g1
ESET-NOD32 a variant of Win32/Filecoder.Avaddon.D
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.DelShad.gen
BitDefender Gen:Variant.Zusy.378774
MicroWorld-eScan Gen:Variant.Zusy.378774
Ad-Aware Gen:Variant.Zusy.378774
Sophos Troj/Avaddon-A
BitDefenderTheta Gen:NN.ZexaF.34738.Yu0@aGGno!fi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.AVADDON.SMTHA
FireEye Generic.mg.19acf6d08e033f66
Emsisoft Gen:Variant.Zusy.378774 (B)
Jiangmin Trojan.DelShad.bok
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.335EE48
Microsoft Ransom:Win32/Avaddon.RND!MTB
GData Gen:Variant.Zusy.378774
AhnLab-V3 Malware/Win.Ransom.R422799
MAX malware (ai score=83)
Malwarebytes Ransom.Avaddon
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.AVADDON.SMTHA
Rising Ransom.Avaddon!1.C7A8 (CLASSIC)
MaxSecure Trojan.Malware.74279478.susgen
Fortinet W32/Avaddon.C!tr.ransom
AVG Win32:Trojan-gen

How to remove Zusy.378774 (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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