Backdoor.Win32.Remcos

Written by Robert Bailey

What is Backdoor.Win32.Remcos infection?

In this article you will locate concerning the definition of Backdoor.Win32.Remcos and also its adverse effect on your computer. Such ransomware are a type of malware that is clarified by on the internet scams to demand paying the ransom money by a sufferer.

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In the majority of the cases, Backdoor.Win32.Remcos infection will advise its sufferers to initiate funds transfer for the purpose of neutralizing the amendments that the Trojan infection has introduced to the target’s device.

Backdoor.Win32.Remcos Summary

These modifications can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Sniffs keystrokes;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk drive — so the victim can no longer use the information;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz BehavesLike.Win32.VirRansom.fc
a.tomx.xyz BehavesLike.Win32.VirRansom.fc
u875414.nvpn.to BehavesLike.Win32.VirRansom.fc
u875414.duckdns.org BehavesLike.Win32.VirRansom.fc
u875414.ddns.net BehavesLike.Win32.VirRansom.fc
u875414.nsupdate.info BehavesLike.Win32.VirRansom.fc

Backdoor.Win32.Remcos

The most regular channels where Backdoor.Win32.Remcos Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of customer winding up on a resource that holds a malicious software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the victim’s computer or prevent the tool from working in a correct manner – while additionally positioning a ransom money note that mentions the requirement for the sufferers to effect the payment for the purpose of decrypting the records or bring back the file system back to the first condition. In many instances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually already been harmed.

Backdoor.Win32.Remcos circulation channels.

In numerous corners of the globe, Backdoor.Win32.Remcos expands by leaps and also bounds. Nevertheless, the ransom notes and methods of extorting the ransom money amount may differ depending upon particular local (regional) setups. The ransom notes and also tricks of extorting the ransom quantity may vary depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In specific locations, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations regarding unlawful content.

    In nations where software application piracy is much less prominent, this method is not as efficient for the cyber frauds. Alternatively, the Backdoor.Win32.Remcos popup alert might wrongly assert to be originating from a law enforcement institution as well as will report having located child porn or other prohibited information on the device.

    Backdoor.Win32.Remcos popup alert may wrongly claim to be obtaining from a legislation enforcement organization and also will certainly report having located child pornography or other illegal information on the gadget. The alert will similarly have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: F1CCBF60
md5: 5d551a59c6d6a87341dd453f4ce6c2e9
name: 5D551A59C6D6A87341DD453F4CE6C2E9.mlw
sha1: 3e60589d80fb951d1b41fc23eeca142706f494d2
sha256: 6da5a41c6dd6f0ddc638a3bccceeae8132814f605971a2f9eb1af58040f60eb8
sha512: 8788b1d4a7c86198712d8cb5c79cd66ef2d31d078d26d86c815c1e267d6ee63be66f756a017cbd5b56bb856a0ff54b1d4a2d5ab186ce6270ebf56f93fbedfc9c
ssdeep: 6144:7z42yjsqWRwT+qp1LJFZa90JsjCWAQQqdg3b5PloRxQwh2SEgy82SiyLF91Z5:7GnFF1pWHQ53t9o3Q/SrNtLrZ
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Win32.Remcos also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.35909012
ALYac Backdoor.Remcos.A
Cylance Unsafe
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
BitDefender Trojan.GenericKD.35909012
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Arcabit Trojan.Generic.D223ED94
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Backdoor.Win32.Remcos.gen
Alibaba Trojan:Win32/Kryptik.0e73cd34
NANO-Antivirus Virus.Win32.Gen.ccmw
ViRobot Trojan.Win32.Z.Wacatac.401408.E
Ad-Aware Trojan.GenericKD.35909012
Emsisoft Trojan.GenericKD.35909012 (B)
F-Secure Heuristic.HEUR/AGEN.1123409
DrWeb Trojan.DownLoader36.31534
VIPRE VirTool.Win32.Obfuscator.da!k (v)
McAfee-GW-Edition BehavesLike.Win32.VirRansom.fc
FireEye Generic.mg.5d551a59c6d6a873
Sophos Mal/Generic-S
Ikarus Win32.Outbreak
Avira HEUR/AGEN.1123409
MAX malware (ai score=89)
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Trojan:Win32/Caynamer.A!ml
ZoneAlarm HEUR:Backdoor.Win32.Remcos.gen
GData Win32.Backdoor.Remcos.32ETFE
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.C4282552
McAfee Artemis!5D551A59C6D6
Malwarebytes Spyware.TelegramBot.TOR.Generic
ESET-NOD32 a variant of Win32/Kryptik.HILO
Rising Trojan.Generic@ML.81 (RDML:4trhuSSJ74xIcmRfN+orwA)
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.HILO!tr
BitDefenderTheta Gen:NN.ZexaF.34700.yuZ@aiQUN5ei
AVG Win32:Malware-gen
Avast Win32:Malware-gen

How to remove Backdoor.Win32.Remcos 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.Win32.Remcos 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:

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If the guide doesn’t help you to remove Backdoor.Win32.Remcos you can always ask me in the comments for getting help.

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References

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