Backdoor:Win32/Rbot

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

What is Backdoor:Win32/Rbot infection?

In this article you will certainly find concerning the interpretation of Backdoor:Win32/Rbot and its negative effect on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom money by a sufferer.

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In the majority of the cases, Backdoor:Win32/Rbot infection will certainly instruct its targets to launch funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s tool.

Backdoor:Win32/Rbot Summary

These adjustments can be as complies with:

  • 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.
  • 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard disk drive — so the sufferer can no longer use the data;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Backdoor:Win32/Rbot

The most typical networks through which Backdoor:Win32/Rbot are injected are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a resource that holds a malicious software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or prevent the device from functioning in a proper manner – while likewise positioning a ransom money note that points out the demand for the targets to effect the settlement for the objective of decrypting the records or restoring the data system back to the initial problem. In most instances, the ransom note will certainly show up when the customer reboots the PC after the system has actually already been damaged.

Backdoor:Win32/Rbot circulation channels.

In numerous corners of the world, Backdoor:Win32/Rbot grows by jumps and also bounds. However, the ransom money notes and also techniques of obtaining the ransom money quantity might vary depending on specific neighborhood (local) setups. The ransom notes and methods of obtaining the ransom quantity might differ depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In specific locations, the Trojans often wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s tool. The sharp then requires the user to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In nations where software piracy is less popular, this method is not as efficient for the cyber frauds. Conversely, the Backdoor:Win32/Rbot popup alert may falsely assert to be originating from a police institution and also will report having situated kid porn or various other unlawful information on the device.

    Backdoor:Win32/Rbot popup alert may incorrectly claim to be acquiring from a law enforcement establishment and will certainly report having located youngster pornography or various other illegal information on the tool. The alert will likewise have a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 69B0A4AB
md5: aaea79445625cd26ad3e0925777c119a
name: AAEA79445625CD26AD3E0925777C119A.mlw
sha1: 40320536eedd714416b2ccff0fd14c2028aa0e70
sha256: 7be3746ace40e78cab17ee7af599f5e26ec8e2c1b7480cd7d0c406b9434ef12a
sha512: 4633f975104fa9bcac910ce3f91ae27484c3cb2fe9ed5b4026df99917c88d7e8b8ba27cd289923971c005c8678a04b64f4c738d5d0962fd1e3e721365eca484e
ssdeep: 3072:m1cZUihpuRitZrgbOiCuV7zWO4EbkLnPY76IXiOG:ycZLDuAtZrgV/W8bkLnPYWIXC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Rbot also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Backdoor ( 004b8aa01 )
Elastic malicious (high confidence)
DrWeb Win32.HLLW.MyBot.3997
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanRansom.PornoAsset
ALYac Gen:Variant.Zusy.290466
Malwarebytes Malware.Heuristic.1004
Zillya Backdoor.RBot.Win32.1000
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/PornoAsset.1b31e054
K7GW Backdoor ( 004b8aa01 )
Cybereason malicious.45625c
Cyren W32/Sdbot.EHGT-5364
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Rbot
APEX Malicious
TotalDefense Win32/Rbot.EIW
Avast Win32:Rbot-EAV [Trj]
ClamAV Win.Trojan.Mybot-4676
Kaspersky Trojan-Ransom.Win32.PornoAsset.cupu
BitDefender Gen:Variant.Zusy.290466
NANO-Antivirus Trojan.Win32.Rbot.blfqk
ViRobot Backdoor.Win32.A.Rbot.50688.C
MicroWorld-eScan Gen:Variant.Zusy.290466
Tencent Malware.Win32.Gencirc.114b60e8
Ad-Aware Gen:Variant.Zusy.290466
Sophos Mal/Generic-S
Comodo Backdoor.Win32.Rbot@35yb
BitDefenderTheta AI:Packer.7234A0E11B
VIPRE Trojan.Win32.Generic!BT
TrendMicro WORM_RBOT.DMM
McAfee-GW-Edition BehavesLike.Win32.Miuref.cc
FireEye Generic.mg.aaea79445625cd26
Emsisoft Gen:Variant.Zusy.290466 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Rbot.Gen
Avira WORM/RBot.150016.6
Microsoft Backdoor:Win32/Rbot
AegisLab Trojan.Win32.Generic.lhbk
GData Gen:Variant.Zusy.290466
AhnLab-V3 Worm/Win32.IRCBot.R32389
McAfee W32/Sdbot.bl.gen.ar
MAX malware (ai score=100)
VBA32 TScope.Malware-Cryptor.SB
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_RBOT.DMM
Rising Worm.SpyBot.ad (CLOUD)
Yandex Worm.Sdbot!Oqwugnq+L54
Ikarus HLLW.Win32.MyBot
Fortinet W32/SDBot.AR!tr.bdr
AVG Win32:Rbot-EAV [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.BO.035

How to remove Backdoor:Win32/Rbot 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/Rbot 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/Rbot 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/comparison

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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