Categories: Malware

Fragtor.3830 (B) malicious file

The Fragtor.3830 (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.3830 (B) virus can do?

  • Executable code extraction
  • Compression (or decompression)
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Starts servers listening on 127.0.0.1:27741, 127.0.0.1:27742
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • A scripting utility was executed
  • Steals private information from local Internet browsers
  • Attempts to execute a powershell command with suspicious parameter/s
  • Collects information about installed applications
  • Creates a hidden or system file
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Harvests credentials from local FTP client softwares
  • Harvests information related to installed instant messenger clients
  • Harvests information related to installed mail clients
  • Attempts to create or modify system certificates
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Fragtor.3830 (B)?


File Info:

crc32: 94CE4F54md5: da3810fdce0451114fe0141f95d1096cname: DA3810FDCE0451114FE0141F95D1096C.mlwsha1: 2aa5df30ccf05bbdc1712649e4354c7ab774b44dsha256: 7426c53b7dedc077dba1ce6907e9d7765befd6cf828a9d89915a5b8a1efa4d9csha512: 33151530bdb4f39279c0fddfbd06fd10bb82677645fafb24cb007596ccda6f7b1b49a7efebc8e2423189c8b4de46f1b371220233da0faddb0efb6a23aa936245ssdeep: 24576:92BslyAfUL3ZsM6Ugnpk/TZg8/zCAqqzSsQkkbQ3I:XlXU6zcR/zbqKSsQxFtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: fogsmoageke.emiProductVersion: 29.51.22.12Copyright: Copyrighz (C) 2020, fodkagetaTranslation: 0x0182 0x0102

Fragtor.3830 (B) also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0056f9be1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0056f9be1 )
Cyren W32/Kryptik.EUY.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:MdeClass
Kaspersky UDS:Trojan.Win32.Zenpak.gen
BitDefender Gen:Variant.Fragtor.3830
MicroWorld-eScan Gen:Variant.Fragtor.3830
Ad-Aware Gen:Variant.Fragtor.3830
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZexaF.34058.fr0@aOTpd1bi
McAfee-GW-Edition BehavesLike.Win32.VirRansom.tc
FireEye Generic.mg.da3810fdce045111
Emsisoft Gen:Variant.Fragtor.3830 (B)
SentinelOne Static AI – Malicious PE
Microsoft Trojan:Win32/Sabsik.FL.A!ml
GData Gen:Variant.Fragtor.3830
Acronis suspicious
MAX malware (ai score=80)
Malwarebytes MachineLearning/Anomalous.100%
Rising Trojan.Kryptik!1.B40D (CLASSIC)
Ikarus Trojan.Crypt
MaxSecure Trojan.Malware.300983.susgen
AVG Win32:MdeClass
Paloalto generic.ml

How to remove Fragtor.3830 (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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