Written by Robert Bailey

What is Backdoor:MSIL/Remcos!MTB infection?

In this post you will certainly find regarding the meaning of Backdoor:MSIL/Remcos!MTB and its negative effect on your computer system. Such ransomware are a type of malware that is specified by on the internet fraudulences to require paying the ransom by a sufferer.

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In the majority of the instances, Backdoor:MSIL/Remcos!MTB infection will certainly instruct its sufferers to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Backdoor:MSIL/Remcos!MTB Summary

These modifications can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Executable code extraction;
  • Injection with CreateRemoteThread in a remote process;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Looks up the external IP address;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Sniffs keystrokes;
  • Steals private information from local Internet browsers;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Attempts to create or modify system certificates;
  • Makes SMTP requests, possibly sending spam or exfiltrating data.;
  • Collects information to fingerprint the system;
  • Ciphering the documents found on the victim’s disk drive — so the victim can no longer utilize the data;
  • Preventing regular access to the victim’s workstation;

Related domains:



The most regular channels through which Backdoor:MSIL/Remcos!MTB Ransomware are infused are:

  • By methods of phishing e-mails;
  • As a consequence of individual winding up on a source that holds a malicious software application;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or avoid the device from functioning in an appropriate way – while additionally placing a ransom money note that states the demand for the victims to effect the repayment for the objective of decrypting the files or recovering the documents system back to the first condition. In many instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Backdoor:MSIL/Remcos!MTB distribution networks.

In different corners of the world, Backdoor:MSIL/Remcos!MTB grows by jumps and bounds. Nonetheless, the ransom notes and also methods of extorting the ransom quantity may differ depending on specific neighborhood (local) setups. The ransom money notes as well as techniques of obtaining the ransom amount may vary depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications enabled on the victim’s tool. The sharp after that demands the customer to pay the ransom.

    Faulty statements about illegal material.

    In countries where software application piracy is less prominent, this approach is not as reliable for the cyber fraudulences. Conversely, the Backdoor:MSIL/Remcos!MTB popup alert may wrongly claim to be originating from a police establishment and also will certainly report having located kid porn or other prohibited information on the device.

    Backdoor:MSIL/Remcos!MTB popup alert may wrongly claim to be deriving from a legislation enforcement organization and also will report having situated kid pornography or various other unlawful data on the gadget. The alert will similarly have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7C500637
md5: 562f52346fcc5c585be22a1ebe41430c
name: 562F52346FCC5C585BE22A1EBE41430C.mlw
sha1: d8160b15ae68facbfccc1c3f57e2a3e6a7433785
sha256: c5914b1d7c5e31bb8d668337ab4153a0e81411369a4c97590a7415c1928a7171
sha512: af9c58a43b115ab4c950b5cf60d8f1ea8f71c05b1e854d5e941e85880cb036293435db7e7821a8b10f11256eae39c9aa9d53c75a661614afbac5a5ece8ef678b
ssdeep: 3072:rnN8gnT5eUUhIgNMLUKCX3UbydI4Gt0UF2clf7gKebQ0C7TOacVxNqnDonI:rBU7GLhqUbwWt0C22f7+Q0UWqnDon
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: YES
Assembly Version:
InternalName: YES.exe
CompanyName: YES
LegalTrademarks: YES
Comments: YES
ProductName: YES
FileDescription: YES
OriginalFilename: YES.exe

Backdoor:MSIL/Remcos!MTB also known as:

K7AntiVirusTrojan ( 0049fc441 )
Elasticmalicious (high confidence)
CynetMalicious (score: 99)
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 0049fc441 )
ESET-NOD32a variant of MSIL/Injector.ERL
AvastMSIL:GenMalicious-ARE [Trj]
SophosML/PE-A + Troj/MSIL-EGP
EmsisoftGen:Variant.Ransom.Samas.9 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=99)
AVGMSIL:GenMalicious-ARE [Trj]

How to remove Backdoor:MSIL/Remcos!MTB ransomware?

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 Backdoor:MSIL/Remcos!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 Backdoor:MSIL/Remcos!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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