Categories: Malware

Should I remove “Zusy.398819 (B)”?

The Zusy.398819 (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.398819 (B) virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Expresses interest in specific running processes
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: C9BB8A0B9C970DEFBE46892C25A6CF26.mlw
  • Network activity detected but not expressed in API logs
  • Attempts to identify installed AV products by installation directory
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Zusy.398819 (B)?


File Info:

crc32: F535B5EBmd5: c9bb8a0b9c970defbe46892c25a6cf26name: C9BB8A0B9C970DEFBE46892C25A6CF26.mlwsha1: 1ab7a131ccadeeed52f46bc82daf0d6434cb10c9sha256: 2ac3bf9d821fe4fb4d4df2b28f25009b131cf955336017ef614a372a64005b09sha512: d868425b94867521510afa8fca5baaf6a1a71e30a9b76004f62706a41e914c9a3c75b6ea94fb8d33d6e7ae95a931f82dfeae3ac1a13849a4e57ca705e93e5c05ssdeep: 49152:powlWhVSGNRgmpAnjXHndHQekIm7dQRpMDmshMT7vBLbHnopVZ2VOR70:powwhAmRDmjnmAm7dQRO6UqLBPHovZ2type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Zusy.398819 (B) also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
ALYac Gen:Variant.Zusy.398819
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Themida.HNR
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky UDS:Trojan.Win32.SelfDel
BitDefender Gen:Variant.Zusy.398819
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
MicroWorld-eScan Gen:Variant.Zusy.398819
Ad-Aware Gen:Variant.Zusy.398819
Sophos Generic ML PUA (PUA)
BitDefenderTheta AI:Packer.826EC7981F
McAfee-GW-Edition BehavesLike.Win32.Generic.vc
FireEye Generic.mg.c9bb8a0b9c970def
Emsisoft Gen:Variant.Zusy.398819 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.XPACK.Gen2
eGambit Unsafe.AI_Score_90%
Microsoft Trojan:Win32/Caynamer.A!ml
Gridinsoft Trojan.Heur!.032100A1
Arcabit Trojan.Zusy.D615E3
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Gen:Variant.Zusy.398819
AhnLab-V3 Trojan/Win.Generic.R440484
Acronis suspicious
MAX malware (ai score=89)
VBA32 BScope.TrojanPSW.Racealer
Panda Trj/Genetic.gen
Rising Trojan.Generic@ML.90 (RDML:FDsy2zPhY+NvaVpIBnLp2g)
AVG Win32:CrypterX-gen [Trj]

How to remove Zusy.398819 (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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