Categories: RansomTrojan

Trojan-Ransom.Win32.Blocker.ufla removal instruction

The Trojan-Ransom.Win32.Blocker.ufla 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-Ransom.Win32.Blocker.ufla virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics

How to determine Trojan-Ransom.Win32.Blocker.ufla?


File Info:

name: B87B5B85F93C5A4D63D1.mlwpath: /opt/CAPEv2/storage/binaries/feb1e3d257154ad07788c1f014ca1b43dedfdda7bd747da387105edfc57b06dfcrc32: AAC69966md5: b87b5b85f93c5a4d63d1ee382a866154sha1: 93a22594af82230a7aabe72a5a5cbf12c0f9ccbasha256: feb1e3d257154ad07788c1f014ca1b43dedfdda7bd747da387105edfc57b06dfsha512: be9f3b73b20e87757d2f41df4b89afdb75a8d47b270e02e2b57ec33cc91b3bebdbaf6b7313d48a7638dc3af2dac36ac47905eeaee85b01496c582e22878dc2bdssdeep: 196608:0iazg7DS8iazg7DS8iazg7DS8iazg7DSv:og7ugg7ugg7ugg7uvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A886137AF1908437D1236E7CCC5BA754A825BEE02D28608A7BEC1C4DDF39B8135262D7sha3_384: eb4251edf11f0629ab6543a13ca87b161c3bb8bb0a21cd20e88d0249d57de0d7659482c87e256949ac262c03947a45feep_bytes: 55545d906a2890596a006a004975f953timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Blocker.ufla also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Androm.m!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader6.7779
MicroWorld-eScan Gen:Variant.Symmi.34741
CAT-QuickHeal Trojan.WacatacPMF.S16539689
ALYac Gen:Variant.Symmi.34741
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00548e051 )
Alibaba Trojan:Win32/Starter.ali1001008
K7GW Trojan ( 00548e051 )
Cybereason malicious.5f93c5
BitDefenderTheta AI:Packer.9896AD8521
Cyren W32/Injector.OZVT-2500
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.AHHO
TrendMicro-HouseCall Ransom_Blocker.R002C0DL721
Paloalto generic.ml
ClamAV Win.Trojan.Mbrlock-9779766-0
Kaspersky Trojan-Ransom.Win32.Blocker.ufla
BitDefender Gen:Variant.Symmi.34741
NANO-Antivirus Trojan.Win32.Dapato.bsjzfg
ViRobot Trojan.Win32.Z.Injector.8316928.BFV
Avast Win32:MBRlock-DV [Trj]
Rising Trojan.Injector!1.DA56 (CLASSIC)
Ad-Aware Gen:Variant.Symmi.34741
Sophos ML/PE-A + Troj/Agent-BFYB
Comodo TrojWare.Win32.Injector.HO@82j6jo
TrendMicro Ransom_Blocker.R002C0DL721
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
FireEye Generic.mg.b87b5b85f93c5a4d
Emsisoft Gen:Variant.Symmi.34741 (B)
SentinelOne Static AI – Malicious PE
GData Win32.Trojan.PSE.13Q4XMA
Jiangmin Trojan.Blocker.pkq
Avira DR/Delphi.Gen
Antiy-AVL Trojan/Generic.ASMalwS.30ED84C
Microsoft Trojan:Win32/Injector.INK!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win32.Dapato.R83155
Acronis suspicious
McAfee GenericRXIP-BJ!B87B5B85F93C
MAX malware (ai score=85)
VBA32 Trojan.Downloader
Malwarebytes Trojan.Crypt
APEX Malicious
Tencent Trojan.Win32.Blocker.zg
Yandex Trojan.Injector!nfedw5apY3U
TACHYON Backdoor/W32.Androm.8316928
eGambit Unsafe.AI_Score_97%
Fortinet W32/Injector.AHHO!tr
AVG Win32:MBRlock-DV [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_90% (W)
MaxSecure Trojan.Malware.127304917.susgen

How to remove Trojan-Ransom.Win32.Blocker.ufla?

  • 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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