Categories: Malware

What is “Zusy.311638”?

The Zusy.311638 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.311638 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • 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
  • Network activity detected but not expressed in API logs
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics

How to determine Zusy.311638?


File Info:

crc32: 65BF48CEmd5: f738eb07bbe3e82645c79c1375eff839name: upload_filesha1: e31a6fd23b029ffe82883637d897eb2870529eeesha256: 0675df897deb6fe05baa467fabbc8c58291b77e3ba020fb4728e5cc6f1630f9dsha512: 766738c32dfc4c6e22e82cc3093589a629e22a5ee0652dcf276f72b56534f119424fbb98e11b63c79274c812b168b6c6b7c2198f56df588194740acbb406a04cssdeep: 24576:rXWT3RlwFgswMQ+BTJxyHP97v5AGGbZHb3Q4W8WZ9Ick9er5r:rXAwFg1dL5RAXb11jWnhIerVtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Zusy.311638 also known as:

Bkav W32.NasticodDHJ.Trojan
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.311638
FireEye Generic.mg.f738eb07bbe3e826
CAT-QuickHeal Trojan.Zusy
Qihoo-360 Win32/Trojan.469
McAfee Fareit-FYT!F738EB07BBE3
Cylance Unsafe
Zillya Trojan.Injector.Win32.764099
AegisLab Trojan.Win32.Zusy.4!c
K7AntiVirus Trojan ( 0056d0ac1 )
BitDefender Gen:Variant.Zusy.311638
K7GW Trojan ( 0056d0ac1 )
CrowdStrike win/malicious_confidence_100% (W)
TrendMicro TROJ_GEN.R06CC0DHN20
Cyren W32/Trojan.TYHM-2043
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Kryptik.gen
Alibaba Trojan:Win32/Kryptik.c7f96c81
NANO-Antivirus Trojan.Win32.Kryptik.hsqtjn
ViRobot Trojan.Win32.Z.Injector.1259520.D
Rising Trojan.Injector!1.CB1A (CLASSIC)
Ad-Aware Gen:Variant.Zusy.311638
DrWeb Trojan.Siggen10.12322
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-S
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Injector
Jiangmin AdWare.Generic.unar
Avira TR/Kryptik.luuoz
MAX malware (ai score=86)
Antiy-AVL Trojan/Win32.Kryptik
Microsoft Trojan:Win32/Skeeyah.B!rfn
Arcabit Trojan.Zusy.D4C156
ZoneAlarm HEUR:Trojan.Win32.Kryptik.gen
GData Gen:Variant.Zusy.311638
AhnLab-V3 Trojan/Win32.Agent.C4186689
Acronis suspicious
BitDefenderTheta Gen:NN.ZelphiF.34252.mHW@a4EvXwfi
ALYac Gen:Variant.Zusy.311638
VBA32 TScope.Trojan.Delf
Malwarebytes Spyware.MassLogger
Panda Trj/CI.A
Zoner Trojan.Win32.92541
ESET-NOD32 a variant of Win32/Injector.ENBV
TrendMicro-HouseCall TROJ_GEN.R06CC0DHN20
Tencent Win32.Trojan.Kryptik.Ecaa
Yandex Trojan.GenKryptik!
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Injector.ENEZ!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
MaxSecure Trojan.Malware.300983.susgen

How to remove Zusy.311638?

  • 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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