Backdoor.Remcos

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

What is Backdoor.Remcos infection?

In this post you will certainly locate regarding the interpretation of Backdoor.Remcos as well as its negative influence on your computer system. Such ransomware are a type of malware that is specified by online frauds to require paying the ransom by a victim.

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Most of the situations, Backdoor.Remcos virus will instruct its targets to initiate funds transfer for the purpose of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Backdoor.Remcos 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the sufferer’s hard disk drive — so the sufferer can no more use the information;
  • Preventing routine access to the target’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.Remcos

The most normal channels where Backdoor.Remcos Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a resource that holds a harmful software;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or avoid the gadget from functioning in a correct way – while also positioning a ransom money note that discusses the need for the targets to effect the repayment for the purpose of decrypting the records or restoring the file system back to the first problem. In most circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has already been damaged.

Backdoor.Remcos circulation channels.

In different corners of the world, Backdoor.Remcos expands by leaps and bounds. Nonetheless, the ransom notes and techniques of extorting the ransom quantity may vary depending upon particular local (local) setups. The ransom notes and also methods of extorting the ransom money amount might vary depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then requires the user to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software application piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Alternatively, the Backdoor.Remcos popup alert may incorrectly claim to be originating from a police organization and will certainly report having situated kid pornography or other illegal information on the gadget.

    Backdoor.Remcos popup alert might incorrectly assert to be obtaining from a legislation enforcement organization as well as will report having located child pornography or other unlawful data on the tool. The alert will likewise have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: A00C5CDF
md5: 1f7362cff171fded0037dddb05cd1b87
name: trump.exe
sha1: 5b9bbef6694cc82293b48ac73360cfa28da3024b
sha256: 6a4004549baa32af970b1d9e1db1032930dc811cffe93390262dd7690e929267
sha512: d351a3144c58cc819ae95945f33cb40269445594d5534285ba249f0b2d6dfc6a9e425240b95bf4eb78114b8771f4e05c97ae01904981e3d89c094fd20b95afec
ssdeep: 768:1ZQDx1Aszac3/vtuChFPm/lJl03SQ5crvK:1+zaD0Zm/l0CQGrvK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: rewriter
FileVersion: 1.00
CompanyName: Ubisoft
ProductName: SUBPROO
ProductVersion: 1.00
FileDescription: aggryavlen
OriginalFilename: rewriter.exe

Backdoor.Remcos also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.33540891
FireEyeGeneric.mg.1f7362cff171fded
CAT-QuickHealTrojan.Multi
McAfeeArtemis!1F7362CFF171
ALYacBackdoor.Remcos.A
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.33540891
K7GWRiskware ( 0040eff71 )
F-ProtW32/Injector.AAJ.gen!Eldorado
SymantecRansom.Wannacry
APEXMalicious
ClamAVWin.Trojan.VBGeneric-7617721-0
GDataTrojan.GenericKD.33540891
KasperskyBackdoor.Win32.Remcos.neb
AlibabaBackdoor:Win32/Injector.84b9aee3
TencentWin32.Trojan.Inject.Auto
Endgamemalicious (high confidence)
SophosMal/FareitVB-W
F-SecureTrojan.TR/Injector.vplot
DrWebTrojan.DownLoader33.16344
TrendMicroTROJ_GEN.R015C0DCE20
McAfee-GW-EditionRDN/Generic.grp
Trapminemalicious.moderate.ml.score
EmsisoftTrojan.GenericKD.33540891 (B)
IkarusTrojan.VB.Crypt
CyrenW32/Injector.AAJ.gen!Eldorado
JiangminBackdoor.Remcos.ayf
WebrootW32.Malware.Gen
AviraTR/Injector.vplot
Antiy-AVLTrojan[Backdoor]/Win32.Remcos
ArcabitTrojan.Generic.D1FFCB1B
ZoneAlarmBackdoor.Win32.Remcos.neb
MicrosoftTrojan:Win32/Injector.MU!MTB
AhnLab-V3Trojan/Win32.VBKrypt.R328937
VBA32Backdoor.Remcos
MAXmalware (ai score=100)
Ad-AwareTrojan.GenericKD.33540891
MalwarebytesTrojan.GuLoader.VB
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Injector.ELAX
TrendMicro-HouseCallTROJ_GEN.R015C0DCE20
RisingTrojan.Injector!8.C4 (CLOUD)
FortinetW32/ELAX!tr
BitDefenderThetaGen:NN.ZevbaCO.34100.dm0@a0IEBboi
AVGWin32:DropperX-gen [Drp]
AvastWin32:DropperX-gen [Drp]
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Win32/Backdoor.9f1

How to remove Backdoor.Remcos 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

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.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Backdoor.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/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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