Categories: Malware

About “Fragtor.4510 (B)” infection

The Fragtor.4510 (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 Fragtor.4510 (B) virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Czech
  • Spoofs its process name and/or associated pathname to appear as a legitimate process
  • Network activity detected but not expressed in API logs
  • Attempts to identify installed AV products by installation directory
  • Attempts to identify installed AV products by registry key

How to determine Fragtor.4510 (B)?


File Info:

crc32: A35223A0md5: 87c4bcc3946c7e803843115a0e660b8fname: 87C4BCC3946C7E803843115A0E660B8F.mlwsha1: 1e2a5699117596d96893fd02e9c4c858b70f3387sha256: 17603cae3db5f89e31240350eaabd2ddf3d3c5ac03e948d9dea85ad58aaff687sha512: 660d1dc56fb974b2d5ad3fa8b0a8e7cc882f12e31a4f050d454371f7ead9e4b34834b11b9e4cbf3f0c47ca486be99dedccb58974c3b0c8bd67626113b6df8ee6ssdeep: 24576:tR3gsHwFepZha4UkQdmLKaJuggggMK05TZDfguJkdV4KJQ:As8kAmLtJuggggMrTxfguJIV4type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2021 AVG Technologies CZ, s.r.o.InternalName: SfxInstFileVersion: 21.7.6489.0CompanyName: AVG Technologies CZ, s.r.o.ProductName: AVG Internet Security System ProductVersion: 21.7.6489.0FileDescription: AVG AntivirusOriginalFilename: SfxInst.exeProductId: avg-avTranslation: 0x0409 0x04b0

Fragtor.4510 (B) also known as:

ALYac Gen:Variant.Fragtor.4510
Zillya Trojan.Generic.Win32.1456817
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Variant.Fragtor.4510
Cynet Malicious (score: 100)
MicroWorld-eScan Gen:Variant.Fragtor.4510
Ad-Aware Gen:Variant.Fragtor.4510
BitDefenderTheta Gen:NN.ZexaF.34058.iz0@autKa0cO
FireEye Gen:Variant.Fragtor.4510
Emsisoft Gen:Variant.Fragtor.4510 (B)
Jiangmin Trojan.Generic.gzzjg
GData Gen:Variant.Fragtor.4510
MAX malware (ai score=86)
VBA32 TrojanRansom.Encoder
Malwarebytes Malware.AI.3952999729

How to remove Fragtor.4510 (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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