Written by Robert Bailey

What is Ransom:MSIL/Cockblocker.DA!MTB infection?

In this short article you will certainly find about the interpretation of Ransom:MSIL/Cockblocker.DA!MTB and its negative impact on your computer. Such ransomware are a form of malware that is clarified by online scams to demand paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the situations, Ransom:MSIL/Cockblocker.DA!MTB virus will instruct its sufferers to launch funds move for the function of counteracting the modifications that the Trojan infection has introduced to the sufferer’s tool.

Ransom:MSIL/Cockblocker.DA!MTB Summary

These alterations can be as complies with:

  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the documents situated on the target’s hard drive — so the target can no more make use of the information;
  • Preventing routine accessibility to the sufferer’s workstation;


One of the most common channels whereby Ransom:MSIL/Cockblocker.DA!MTB Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of individual winding up on a resource that organizes a harmful software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or avoid the device from functioning in a correct fashion – while additionally placing a ransom money note that discusses the demand for the targets to effect the repayment for the objective of decrypting the papers or restoring the data system back to the initial problem. In most instances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Ransom:MSIL/Cockblocker.DA!MTB distribution networks.

In numerous edges of the world, Ransom:MSIL/Cockblocker.DA!MTB expands by leaps and bounds. However, the ransom notes and also methods of extorting the ransom quantity may vary relying on certain regional (local) setups. The ransom money notes as well as tricks of extorting the ransom quantity might differ depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the target’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty statements concerning unlawful material.

    In countries where software program piracy is much less preferred, this method is not as effective for the cyber frauds. Conversely, the Ransom:MSIL/Cockblocker.DA!MTB popup alert may incorrectly assert to be originating from a police establishment and will certainly report having situated youngster pornography or various other illegal data on the tool.

    Ransom:MSIL/Cockblocker.DA!MTB popup alert may wrongly declare to be deriving from a regulation enforcement organization as well as will certainly report having situated child pornography or various other unlawful data on the gadget. The alert will similarly include a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 123FC928
md5: 84f3c37fdb672384a0e08284eeff44e4
name: 84F3C37FDB672384A0E08284EEFF44E4.mlw
sha1: f7cec096a35c5708c09698a64444b1fe81e73ee6
sha256: f2e38262a1478bc7b3d91d0a780bdf62068be238e17c95d93928c32182dd70a4
sha512: a66e1d34290d905f577e6fcce6c5c5f011b4691cc4a37971545033da4c5029ae140b19a7a502472c7f071dc690c9577a882b33c95bc89f5635ccd0f2f99349ce
ssdeep: 6144:D99jZMz/y1rekkCkVg+AW93YVfhZR3MM+SYRQlsQc0EJrQ7QJ:pXC/FkdkVg9WlufR3MM+PRQvcZE
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2016
Assembly Version:
InternalName: Cockblocker.exe
ProductName: Cockblocker
FileDescription: Cockblocker
OriginalFilename: Cockblocker.exe

Ransom:MSIL/Cockblocker.DA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004ff9d61 )
Lionic Trojan.Win32.Scatter.j!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.29245
Cynet Malicious (score: 99)
ALYac Trojan.Ransom.CockBlocker
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.9441
Sangfor Ransom.Win32.FileCryptor.mt
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Scatter.12929907
K7GW Trojan ( 004ff9d61 )
Cybereason malicious.fdb672
Symantec Infostealer.Limitail
ESET-NOD32 a variant of MSIL/Filecoder.CBlocker.A
APEX Malicious
Avast MSIL:Ransom-AK [Trj]
Kaspersky Trojan-Ransom.Win32.Scatter.tl
BitDefender Gen:Heur.Ransom.HiddenTears.1
NANO-Antivirus Trojan.Win32.Crypt.ejggym
MicroWorld-eScan Gen:Heur.Ransom.HiddenTears.1
Tencent Win32.Trojan.Scatter.Ecud
Ad-Aware Gen:Heur.Ransom.HiddenTears.1
Sophos Mal/Generic-S
Comodo Malware@#1vyqin5vwi524
BitDefenderTheta Gen:NN.ZemsilF.34796.tm0@ai@4Zgp
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.84f3c37fdb672384
Emsisoft Trojan.FileCoder (A)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.MSIL.fefk
Avira TR/Razy.xohnu
Antiy-AVL Trojan/Generic.ASMalwS.2162791
Kingsoft Win32.Troj.Crypt.ci.(kcloud)
Microsoft Ransom:MSIL/Cockblocker.DA!MTB
GData Gen:Heur.Ransom.HiddenTears.1
AhnLab-V3 Malware/Win32.RL_Generic.R261248
McAfee Artemis!84F3C37FDB67
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Panda Trj/GdSda.A
Yandex Trojan.Crypt!8Y02q4bIDQ0
Ikarus Trojan.MSIL.Filecoder
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Filecoder.TA!tr
AVG MSIL:Ransom-AK [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.CockBlocker.HwMAEpsA

How to remove Ransom:MSIL/Cockblocker.DA!MTB virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:MSIL/Cockblocker.DA!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:MSIL/Cockblocker.DA!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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