Ransom Trojan

Trojan-Ransom.Win32.Blocker.ulva information

Malware Removal

The Trojan-Ransom.Win32.Blocker.ulva 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.ulva 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
  • 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
  • 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.ulva?


File Info:

name: 0E5A02E579F04DF454B7.mlw
path: /opt/CAPEv2/storage/binaries/15c85d9006ad3267863b493f2248926c1778251d669b6e0217c613e818c754d5
crc32: 48D0F083
md5: 0e5a02e579f04df454b70aef61f2c86b
sha1: 498235b10a37ebc2ad50fc5fc85143c2d0adb44c
sha256: 15c85d9006ad3267863b493f2248926c1778251d669b6e0217c613e818c754d5
sha512: 6d0517ef2e76584e9f1b380a7c9cb20e9cec50277179a1a05fc83988e9134e72acbac814c1bb77602e4f0ef0379eeb96cda9de0437a2bcc07663be44525e4cfa
ssdeep: 196608:0sazg7DS8sazg7DS8sazg7DS8sazg7DSv:eg7u2g7u2g7u2g7uv
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12486137AF1908437D1236E7CCC5BA754A825BEE02D28608A7BEC1C4DDF39B8135262D7
sha3_384: 145e1d8b2d86ff04f2de9b1f8f36803a8edaf154a670f4a0d4f7cc51d2e31025f9624ef3b5f0aff6235d9b8c5b9196e5
ep_bytes: 55545d906a2890596a006a004975f953
timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

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

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Symmi.34741
FireEyeGeneric.mg.0e5a02e579f04df4
CAT-QuickHealTrojan.WacatacPMF.S16539689
ALYacGen:Variant.Symmi.34741
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (W)
AlibabaTrojan:Win32/Starter.ali1001008
K7GWTrojan ( 00548e051 )
K7AntiVirusTrojan ( 00548e051 )
CyrenW32/Injector.OZVT-2500
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.AHHO
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Trojan.Mbrlock-9779766-0
KasperskyTrojan-Ransom.Win32.Blocker.ulva
BitDefenderGen:Variant.Symmi.34741
NANO-AntivirusTrojan.Win32.Dapato.bsjzfg
AvastWin32:MBRlock-DV [Trj]
RisingTrojan.Injector!1.DA56 (CLASSIC)
Ad-AwareGen:Variant.Symmi.34741
SophosML/PE-A + Troj/Agent-BFYB
ComodoTrojWare.Win32.Injector.HO@82j6jo
DrWebTrojan.DownLoader6.7779
TrendMicroTROJ_GEN.R002C0DL821
McAfee-GW-EditionBehavesLike.Win32.Generic.wc
EmsisoftGen:Variant.Symmi.34741 (B)
SentinelOneStatic AI – Malicious PE
GDataWin32.Trojan.PSE.13Q4XMA
JiangminTrojan.Blocker.pkq
AviraDR/Delphi.Gen
MAXmalware (ai score=83)
Antiy-AVLTrojan/Generic.ASMalwS.30ED84C
MicrosoftTrojan:Win32/Injector.INK!MTB
CynetMalicious (score: 100)
AhnLab-V3Dropper/Win32.Dapato.R83155
Acronissuspicious
McAfeeGenericRXIP-BJ!0E5A02E579F0
TACHYONBackdoor/W32.Androm.8316928
VBA32Trojan.Downloader
MalwarebytesTrojan.Crypt
TrendMicro-HouseCallTROJ_GEN.R002C0DL821
TencentTrojan.Win32.Blocker.zg
YandexTrojan.Injector!nfedw5apY3U
IkarusTrojan-Ransom.Blocker
eGambitUnsafe.AI_Score_97%
FortinetW32/Injector.AHHO!tr
BitDefenderThetaAI:Packer.9896AD8521
AVGWin32:MBRlock-DV [Trj]
Cybereasonmalicious.579f04
PandaTrj/Genetic.gen
MaxSecureTrojan.Malware.127304917.susgen

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

Trojan-Ransom.Win32.Blocker.ulva removal tool
  • 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.

About the author

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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