Categories: Malware

About “Zusy.427939” infection

The Zusy.427939 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.427939 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • HTTPS urls from behavior.
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering

How to determine Zusy.427939?


File Info:

name: B4A9AE39027E8530378C.mlwpath: /opt/CAPEv2/storage/binaries/54960f94810d9ce0b6edcdfb6abfe07a0b372422b51eb478881000c9cfda2091crc32: C5C780E1md5: b4a9ae39027e8530378c05ce71236518sha1: ca66ef332876eb1fb019fc2f286a989b7192b313sha256: 54960f94810d9ce0b6edcdfb6abfe07a0b372422b51eb478881000c9cfda2091sha512: 116f1e6e4a2405173958740cfe04b4f1350b584fe5f94244e85a15a5b42bbf27e4d8ca769096ab4f63c84b088d74d090c90be2a75ec686ff3c6c613d73699586ssdeep: 12288:hSH1x/NoKtuSn5/S5/6zbxkRrf1iX1+I+kabKnfIaxLneGt3vmmcSwua:wH1BOSn0O1+7OvCytype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11F157C2A7181C432D1E21D399D4B96F95A37BE802A18A9462BF43C8DBF747513C3D2B7sha3_384: d44cc2e01bca5eacc6e00039895afea01d5bd2b56922564886c8d3911a86a053870b2fea072c411df2062818e33a7422ep_bytes: 558bec83c4f0b8ccc54800e8449ef7fftimestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Zusy.427939 also known as:

MicroWorld-eScan Gen:Variant.Zusy.427939
FireEye Gen:Variant.Zusy.427939
ALYac Gen:Variant.Zusy.427939
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
Kaspersky UDS:Backdoor.Win32.Remcos.gen
BitDefender Gen:Variant.Zusy.427939
Ad-Aware Gen:Variant.Zusy.427939
Emsisoft Gen:Variant.Zusy.427939 (B)
McAfee-GW-Edition BehavesLike.Win32.Dropper.ch
Sophos Mal/Generic-S + Troj/Delf-HKU
Ikarus Trojan.Inject
GData Gen:Variant.Zusy.427939
Arcabit Trojan.Zusy.D687A3
ZoneAlarm UDS:Backdoor.Win32.Remcos.gen
Microsoft Trojan:Win32/Sabsik.FL.A!ml
McAfee Artemis!B4A9AE39027E
MAX malware (ai score=81)
Malwarebytes Malware.AI.1395577494
APEX Malicious
Rising Backdoor.Androm!8.113 (C64:YzY0OgS7sLZ9Ocd+KA)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Injector.EQAC!tr
AVG PWSX-gen [Trj]
Avast PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_60% (W)

How to remove Zusy.427939?

  • 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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