What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Backdoor:Win32/Rescoms.B!bit infection?

In this short article you will certainly discover about the interpretation of Backdoor:Win32/Rescoms.B!bit and also its unfavorable effect on your computer. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a sufferer.

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In the majority of the instances, Backdoor:Win32/Rescoms.B!bit ransomware will certainly instruct its sufferers to launch funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the target’s gadget.

Backdoor:Win32/Rescoms.B!bit Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Detected script timer window indicative of sleep style evasion;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • A scripting utility was executed;
  • Detects Sandboxie through the presence of a library;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Anomalous binary characteristics;
  • Ciphering the files found on the victim’s hard drive — so the victim can no longer make use of the data;
  • Preventing normal access to the target’s workstation;

Related domains: Gen:Variant.Ransom.Serpent.5 Gen:Variant.Ransom.Serpent.5 Gen:Variant.Ransom.Serpent.5


The most typical networks through which Backdoor:Win32/Rescoms.B!bit Ransomware are infused are:

  • By methods of phishing e-mails;
  • As a consequence of user ending up on a source that hosts a destructive software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the target’s computer or prevent the gadget from working in an appropriate fashion – while also placing a ransom note that points out the demand for the targets to impact the repayment for the objective of decrypting the files or recovering the documents system back to the initial condition. In most instances, the ransom note will show up when the client reboots the COMPUTER after the system has already been damaged.

Backdoor:Win32/Rescoms.B!bit distribution channels.

In various edges of the globe, Backdoor:Win32/Rescoms.B!bit expands by leaps and bounds. Nevertheless, the ransom notes and methods of obtaining the ransom quantity might vary relying on specific neighborhood (local) setups. The ransom money notes and also techniques of obtaining the ransom quantity may vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In particular locations, the Trojans typically wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the user to pay the ransom.

    Faulty statements regarding prohibited content.

    In nations where software piracy is less popular, this technique is not as reliable for the cyber scams. Additionally, the Backdoor:Win32/Rescoms.B!bit popup alert may wrongly declare to be deriving from a law enforcement organization and will report having situated youngster porn or various other illegal data on the gadget.

    Backdoor:Win32/Rescoms.B!bit popup alert may falsely assert to be deriving from a legislation enforcement institution as well as will certainly report having situated child porn or various other prohibited information on the device. The alert will likewise have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 786423A3
md5: 05d6a41751d7a92eb6aa00c54d51e456
name: 05D6A41751D7A92EB6AA00C54D51E456.mlw
sha1: cbded43d919fe58f97e76b4975c6f2699a6a62da
sha256: 8727bb75e01c91bb1b102988ed2a2a7823b154ef2a224d163f1af5e738f659a4
sha512: 2abbdc86c2c9fc568e92918ad779239acfa5668ab3ea2b61109e9a9a5d997f2308249ae955085dc1b8e96d96a536b262d141680f2f02fd0bb0222ca4ef956487
ssdeep: 24576:zrXkPCCY614BwVtas65L6d1MpXVJ0wjCXcpRXybViYDgtQ1ur3gQH0B7SYg:XXaQ6SAyJ6fiXXyxiYstQOQQ/r
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Rescoms.B!bit also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005583261 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb BackDoor.Wirenet.319
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.MauvaiseRI.S5249318
ALYac Gen:Variant.Ransom.Serpent.5
Cylance Unsafe
Zillya Exploit.BypassUAC.Win32.371
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Backdoor:Win32/Rescoms.0782f111
K7GW Trojan ( 005583261 )
Cybereason malicious.751d7a
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.FWOY
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.Serpent.5
NANO-Antivirus Exploit.Win32.BypassUAC.eojfgu
MicroWorld-eScan Gen:Variant.Ransom.Serpent.5
Tencent Malware.Win32.Gencirc.10bb14b1
Ad-Aware Gen:Variant.Ransom.Serpent.5
Sophos Mal/Generic-S
Comodo Malware@#ue8hsi0ksopf
BitDefenderTheta Gen:NN.ZexaF.34170.JzW@ayu76@ii
VIPRE Trojan.Win32.Generic!BT
Emsisoft Gen:Variant.Ransom.Serpent.5 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Autoit.jaf
Webroot W32.Trojan.Genkd
Avira HEUR/AGEN.1103409
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.201B5FF
Microsoft Backdoor:Win32/Rescoms.B!bit
Arcabit Trojan.Ransom.Serpent.5
GData Gen:Variant.Ransom.Serpent.5
AhnLab-V3 Trojan/Win32.Generic.C1952617
McAfee Artemis!05D6A41751D7
MAX malware (ai score=84)
VBA32 BScope.Backdoor.Wirenet
Malwarebytes Malware.AI.2261203163
Panda Trj/CI.A
Rising [email protected] (RDML:ni1L2knHXSqraZtJewzWKw)
Yandex Trojan.GenAsa!diyUI1P1KaA
Ikarus Trojan.Win32.Krypt
Fortinet W32/Generic.AC.3F00BC
AVG Win32:Malware-gen

How to remove Backdoor:Win32/Rescoms.B!bit ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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:Win32/Rescoms.B!bit 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/Rescoms.B!bit you can always ask me in the comments for getting help.

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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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