Categories: Malware

What is “Malware.AI.4221984541”?

The Malware.AI.4221984541 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 Malware.AI.4221984541 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • 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
  • Performs HTTP requests potentially not found in PCAP.
  • HTTPS urls from behavior.
  • Enumerates running processes
  • Reads data out of its own binary image
  • Manipulates data from or to the Recycle Bin
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Korean
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Attempts to remove evidence of file being downloaded from the Internet
  • Writes a potential ransom message to disk
  • Attempts to delete or modify volume shadow copies
  • Deletes its original binary from disk
  • Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware
  • Network activity contains more than one unique useragent.
  • Installs itself for autorun at Windows startup
  • Attempts to identify installed AV products by registry key
  • Attempts to modify proxy settings
  • Attempts to ensure mapped drives are available from an elevated prompt or process with UAC enabled
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Malware.AI.4221984541?


File Info:

name: C4AF0FCA9CF1E827CB89.mlwpath: /opt/CAPEv2/storage/binaries/8cd680b3b3984750ff64aa1421db7ccb21459cd02952bba1bf34c72456fb5d43crc32: 00804656md5: c558f21781b5dd424e7a00d6e69a27aasha1: eb9243785fc7634e859b82d569b6f7012360e8c5sha256: 8cd680b3b3984750ff64aa1421db7ccb21459cd02952bba1bf34c72456fb5d43sha512: 13564d86d2681d16f612282ccc354459d78555e54e259b3fa81bbb2aacd513b4c608c7c713ab79f17916ac6cd9fddbd766e7416401ca33404733e7dc99c53f5dssdeep: 6144:mZfXLTtD7dm5nq/LO3uJeZjZNlHVzC4RneDfpePsEwPBa2wUz:mZfXLTtD7dwnqCjZX1zC4Rn+p1E2Ba/6type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17674BF2A2C113CB5DEEBD8B2DECB8D8887589B70D1711D1F0D48A5FE49C531EAA2C1E5sha3_384: 00a9b5db7760131bcdb80dbbedb4bea86a234f735423655f3d39f4d205b917668c4c613d6f1aa9c9b53eac245ba6ae7aep_bytes: 558bec6aff6840c141006810bb410064timestamp: 2005-12-15 21:45:30

Version Info:

CompanyName: Scanpoint SoftwareFileDescription: ScrappingFileVersion: 15, 98, 233, 26InternalName: WesternisedLegalCopyright: Sissy © 2050OriginalFilename: Scoffing.exeProductName: Stylish Sunset

Malware.AI.4221984541 also known as:

Lionic Trojan.Win32.Yakes.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.1640
FireEye Generic.mg.c558f21781b5dd42
CAT-QuickHeal Ransom.TeslaCrypt.WR4
McAfee TeslaCrypt!C558F21781B5
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004d41c61 )
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 004d41c61 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34212.uq3@aGcvyloG
Cyren W32/Filecoder.CY.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.DVSY
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.Yakes.nutx
BitDefender Gen:Variant.Ransom.1640
NANO-Antivirus Trojan.Win32.Yakes.eauvrh
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
Avast Win32:Malware-gen
Tencent Win32.Trojan.Yakes.Sxee
Ad-Aware Gen:Variant.Ransom.1640
Sophos Mal/Generic-R + Mal/Tinba-L
Comodo Malware@#6qomfyx2nrim
Zillya Trojan.Kryptik.Win32.931243
TrendMicro TROJ_FRS.0NA103BL20
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
Emsisoft Gen:Variant.Ransom.1640 (B)
Ikarus Trojan.Win32.Crypt
GData Gen:Variant.Ransom.1640
Jiangmin Trojan.Yakes.acjj
Webroot W32.Gen.Bt
Avira HEUR/AGEN.1246129
Gridinsoft Ransom.Win32.TeslaCrypt.sa
Arcabit Trojan.Ransom.D668
ViRobot Trojan.Win32.Z.Crypt.343317
ZoneAlarm Trojan.Win32.Yakes.nutx
Microsoft Ransom:Win32/Tescrypt.C
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Lockycrypt.Gen
Acronis suspicious
VBA32 BScope.Trojan.Yakes
ALYac Gen:Variant.Ransom.1640
MAX malware (ai score=100)
Malwarebytes Malware.AI.4221984541
TrendMicro-HouseCall TROJ_FRS.0NA103BL20
Rising Trojan.Kryptik!8.8 (CLOUD)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Deshacop.XO!tr
AVG Win32:Malware-gen
Cybereason malicious.781b5d
Panda Trj/Genetic.gen

How to remove Malware.AI.4221984541?

  • 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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