Categories: Trojan

How to remove “Trojan.Win32.Refroso.gfdi”?

The Trojan.Win32.Refroso.gfdi 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 Trojan.Win32.Refroso.gfdi virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Attempted to write directly to a physical drive
  • Anomalous binary characteristics

How to determine Trojan.Win32.Refroso.gfdi?


File Info:

name: 1A93A2CA7779089DF027.mlwpath: /opt/CAPEv2/storage/binaries/1ccad2484874fbbcb59f909ee1ca6647deaaa848fadc9721eac262b7fe9b7569crc32: EA31FD3Dmd5: 1a93a2ca7779089df02744286fdcdda3sha1: 0b343f04023ac2558354b3bb17733c259281f4e3sha256: 1ccad2484874fbbcb59f909ee1ca6647deaaa848fadc9721eac262b7fe9b7569sha512: 79b15fa97afc7275981b6fd71565e8f5bbb1e8988e3c739f6411c000898b4ecf076f327da57f0df027ecc003e1b932281ab92f15af6734be4004218b09545357ssdeep: 6144:F4QCy0bt+zfLHA+GQnVW5GJZ2tNYLj8Mfsapu6z4yDDxiMn:eQHfvg+GgVzYKj86sWuzSAMntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T173541227E716E28DC8DAFA71A74641AD8584BCF22E83046F7984733FA87E15B4613178sha3_384: a513daa40d5365c2815526ecb3c8bf486ffc4756e5cc2cd72c41131e1a87972bc642bc9c15338f7902f08a810de0939bep_bytes: 6801904400e801000000c3c3f5080a5ctimestamp: 2011-09-22 16:27:04

Version Info:

Translation: 0x0409 0x04b0Comments: lOexQkfTzCompanyName: UaQilAVQgFileDescription: wSftbseiIwuoGDaLegalCopyright: apCNwvjProductName: crjTBDYAFTeFileVersion: 1.00ProductVersion: 1.00InternalName: 2OriginalFilename: 2.exe

Trojan.Win32.Refroso.gfdi also known as:

Bkav W32.AIDetect.malware2
tehtris Generic.Malware
MicroWorld-eScan Gen:Heur.ManBat.1
FireEye Generic.mg.1a93a2ca7779089d
McAfee GenericRXBB-FM!1A93A2CA7779
Cylance Unsafe
Zillya Backdoor.Bifrose.Win32.58958
Cybereason malicious.a77790
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 Win32/Bifrose
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packed.Bladabindi-7025618-0
Kaspersky Trojan.Win32.Refroso.gfdi
BitDefender Gen:Heur.ManBat.1
NANO-Antivirus Trojan.Win32.Bifrost.fntry
Avast Win32:Evo-gen [Trj]
Rising Trojan.Generic!8.C3 (CLOUD)
Ad-Aware Gen:Heur.ManBat.1
Sophos ML/PE-A + Mal/Agent-ADH
Comodo TrojWare.Win32.Injector.jmb@4l5acm
F-Secure Trojan.TR/Crypt.ASPM.Gen
DrWeb BackDoor.Bifrost.40
VIPRE Gen:Heur.ManBat.1
McAfee-GW-Edition GenericRXBB-FM!1A93A2CA7779
Trapmine malicious.high.ml.score
Emsisoft Gen:Heur.ManBat.1 (B)
Ikarus Virus.Win32.VBInject
GData Gen:Heur.ManBat.1
Jiangmin Trojan/Generic.nndh
Webroot W32.Trojan.Gen
Google Detected
Avira TR/Crypt.ASPM.Gen
MAX malware (ai score=85)
Antiy-AVL Trojan[Backdoor]/Win32.Bifrose
Arcabit Trojan.ManBat.1
ZoneAlarm Trojan.Win32.Refroso.gfdi
Microsoft Backdoor:Win32/Bifrose.AE
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.VBKrypt.C154
VBA32 Malware-Cryptor.VB.Sazeka
ALYac Gen:Heur.ManBat.1
Malwarebytes Generic.Trojan.Dropper.DDS
Tencent Win32.Trojan.Refroso.Xmhl
Yandex Trojan.Bifrose!mnwGKxcFczg
SentinelOne Static AI – Malicious PE
Fortinet W32/Bifrose.NKY!tr
BitDefenderTheta AI:Packer.F76710881F
AVG Win32:Evo-gen [Trj]
Panda Generic Malware
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan.Win32.Refroso.gfdi?

  • 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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