Categories: Malware

What is “Malware.AI.4259576038”?

The Malware.AI.4259576038 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.4259576038 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Installs itself for autorun at Windows startup
  • Likely virus infection of existing system binary
  • Attempts to bypass application whitelisting by executing .NET utility in a suspended state, potentially for injection

How to determine Malware.AI.4259576038?


File Info:

name: F507F221F82E2F0D0FA2.mlwpath: /opt/CAPEv2/storage/binaries/801870ff9775fb607945cf209bdf63dc71e29394b2c6ea29a2a25499a146111dcrc32: B23D7C98md5: f507f221f82e2f0d0fa26440045f0168sha1: 5e5cbf2b3d2b481627cfc8533a769e37ecf0cd70sha256: 801870ff9775fb607945cf209bdf63dc71e29394b2c6ea29a2a25499a146111dsha512: fbb976664019d7d0aa5ea4df94c6c84987e2d23c6cc15ee577bb18c9352771f917e029b9313fe6c966a54260829730ec91c0c0b3759f63c7fe3a6c7efda47580ssdeep: 6144:19kbuoLtM1nM9xf/CMkLmtM7pw3d4jKGFFLSNhnLCtDVYTkuffSkeSQ6IsNzwKD3:Mf6SX/CfmFKuGLOhLoYznaFEsktgsotype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T19DE48D64E31030EDC62A5F3C35DAF5F08D906E702237AF52ECEA9D7B65A87468328547sha3_384: 508f5919c29a5dc22b8ff0ababd573e68d71ee6def0189db1999862db36b4543e302ee06de9430491b6ba13180efdbb0ep_bytes: 5150528d0d18000000648b0101c801c8timestamp: 2010-09-23 10:48:12

Version Info:

CompanyName: Microsoft CorporationFileDescription: Windows Command ProcessorFileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)InternalName: cmdLegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: Cmd.ExeProductName: Microsoft® Windows® Operating SystemProductVersion: 6.1.7601.17514Translation: 0x0409 0x04b0

Malware.AI.4259576038 also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Win32.Expiro.Gen.6
FireEye Generic.mg.f507f221f82e2f0d
Cylance Unsafe
Cybereason malicious.1f82e2
Cyren W32/Expiro.AN.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Expiro.NDG
APEX Malicious
BitDefender Win32.Expiro.Gen.6
NANO-Antivirus Virus.Win32.Gen.ccmw
Avast Win32:Xpirat-C [Inf]
Ad-Aware Win32.Expiro.Gen.6
Emsisoft Win32.Expiro.Gen.6 (B)
Sophos ML/PE-A + Mal/EncPk-MK
GData Win32.Expiro.Gen.6
Avira TR/Patched.Gen
MAX malware (ai score=82)
Microsoft Trojan:Win32/Raccoon.EC!MTB
Cynet Malicious (score: 100)
Acronis suspicious
ALYac Win32.Expiro.Gen.6
VBA32 BScope.Trojan.Wacatac
Malwarebytes Malware.AI.4259576038
SentinelOne Static AI – Malicious PE
Fortinet W32/Expiro.NDG
AVG Win32:Xpirat-C [Inf]
CrowdStrike win/malicious_confidence_100% (D)

How to remove Malware.AI.4259576038?

  • 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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