Categories: RansomTrojan

Should I remove “Trojan-Ransom.Win32.Blocker.havt”?

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

  • Injection (inter-process)
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • A potential decoy document was displayed to the user
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs

Related domains:

z.whorecord.xyz
a.tomx.xyz

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


File Info:

crc32: B159ED1Bmd5: efe54df820fa8434cf14a5a8f55f52b7name: EFE54DF820FA8434CF14A5A8F55F52B7.mlwsha1: 602c97a9a3e7771fca50506b79b7d9e8d94978ebsha256: 3374cbbcfb1c0bd08c267b965ec2c40ddfa7f32ef36e850e18c61c8a0caa64b8sha512: bc138267336dfeb7365b3e68333a46a22c23d6980dce44f70aae78c56c093b06c91690400a1c2756e8df403863113b3424869eea213e3a7149ead80d5131d642ssdeep: 24576:eTV2EmIwmAtnrzLznRg7AUfTwSN/VLRcN3qnC39eg/3q89X:0UEH8trPzn+7AULwSrlK3V39eg3q89type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: InternalName: FileVersion: 1.1.21.03ProductName: ProductVersion: 1.1.21.03FileDescription: OriginalFilename: Translation: 0x0409 0x04b0

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

Bkav W32.AIDetect.malware1
DrWeb Trojan.DownLoader23.5433
MicroWorld-eScan Trojan.GenericKD.31115756
Qihoo-360 Win32/Ransom.Blocker.HwsBqhcA
McAfee Artemis!EFE54DF820FA
Malwarebytes Malware.Heuristic.1003
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Blocker.j!c
Sangfor Ransom.Win32.Blocker.8
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.31115756
K7GW Riskware ( 0040eff71 )
Cybereason malicious.820fa8
Arcabit Trojan.Generic.D1DAC9EC
Symantec Trojan Horse
ESET-NOD32 VBS/Agent.NDW
Paloalto generic.ml
ClamAV Win.Trojan.Generic-42
Kaspersky Trojan-Ransom.Win32.Blocker.havt
Alibaba Ransom:Win32/Blocker.609bfc6a
NANO-Antivirus Trojan.Win32.Blocker.dserej
Tencent Win32.Trojan.Blocker.Aqgj
Ad-Aware Trojan.GenericKD.31115756
Sophos Mal/Generic-S
Comodo Malware@#214n8623n5tjz
Zillya Trojan.Blocker.Win32.28337
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.cc
FireEye Generic.mg.efe54df820fa8434
Emsisoft Trojan.GenericKD.31115756 (B)
Ikarus Worm.VBS.Agent
Jiangmin Trojan/Blocker.mvv
MAX malware (ai score=98)
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Trojan-Ransom.Win32.Blocker.havt
GData Trojan.GenericKD.31115756
Cynet Malicious (score: 90)
VBA32 Backdoor.Androm
ALYac Trojan.GenericKD.31115756
Cylance Unsafe
Panda Trj/CI.A
APEX Malicious
Rising Malware.Heuristic!ET#84% (CLOUD)
Yandex Trojan.GenAsa!iaZ7yUdnHcI
Fortinet W32/Blocker.HAVT!tr
AVG Win32:Malware-gen
Avast Win32:Malware-gen

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

  • 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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