Strictor.228565

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

What is Strictor.228565 infection?

In this post you will find about the definition of Strictor.228565 and its unfavorable effect on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the cases, Strictor.228565 ransomware will certainly instruct its sufferers to launch funds transfer for the objective of neutralizing the changes that the Trojan infection has introduced to the sufferer’s gadget.

Strictor.228565 Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • 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 located on the target’s hard drive — so the sufferer can no more utilize the information;
  • Preventing regular accessibility to the victim’s workstation;

Strictor.228565

The most common networks where Strictor.228565 Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of customer ending up on a source that holds a harmful software program;

As quickly as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or stop the device from functioning in an appropriate manner – while additionally placing a ransom note that states the need for the targets to impact the repayment for the objective of decrypting the files or bring back the file system back to the initial condition. In most instances, the ransom money note will come up when the customer reboots the PC after the system has already been harmed.

Strictor.228565 distribution channels.

In different edges of the world, Strictor.228565 expands by leaps and also bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom quantity may differ depending upon certain local (regional) setups. The ransom money notes and also methods of obtaining the ransom amount may differ depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In specific areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications made it possible for on the target’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty statements regarding prohibited material.

    In countries where software application piracy is less preferred, this method is not as effective for the cyber scams. Alternatively, the Strictor.228565 popup alert might wrongly claim to be deriving from a police institution as well as will certainly report having situated child pornography or various other illegal data on the device.

    Strictor.228565 popup alert may falsely declare to be deriving from a legislation enforcement organization and also will certainly report having located youngster porn or other illegal data on the gadget. The alert will likewise have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 4974253F
md5: 5f3889b0fe910a619d44526ac54fc09f
name: rvcbxbvcd.exe
sha1: 31ff7f3d53181fa7b0b926deb3a41d290d45b8c1
sha256: 58f8dc29fa54f6928c5627e0b712c5cff209413d8de8bfeabcfc1bbaddb3a7a7
sha512: f43cb84bc3c05131b12ae0ce662e4f0dd7c7aa49ccdf0da090edcd28fb7694452c0028c5e1f534c46375d32f92b71f329013342b6953acd5096e993858ce4b25
ssdeep: 24576:Gu6J33O0c+JY5UZ+XC0kGso6FaDcut1rdd31nPWY:Iu0c++OCvkGs9FaDN731+Y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Strictor.228565 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware
MicroWorld-eScanGen:Variant.Strictor.228565
FireEyeGen:Variant.Strictor.228565
Qihoo-360Win32/Backdoor.bb9
McAfeeArtemis!5F3889B0FE91
MalwarebytesTrojan.Injector.AutoIt
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Multi.Generic.4!c
SangforMalware
K7AntiVirusTrojan ( 0055e2ce1 )
BitDefenderGen:Variant.Strictor.228565
K7GWTrojan ( 0055e2ce1 )
BitDefenderThetaGen:NN.ZexaF.33558.@uW@aGLYx3ci
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Generik.FWECIZR
APEXMalicious
Paloaltogeneric.ml
GDataGen:Variant.Strictor.228565
KasperskyBackdoor.Win32.Androm.tqpp
RisingTrojan.Obfus/Autoit!1.C07A (CLASSIC)
Ad-AwareGen:Variant.Strictor.228565
SophosMal/Generic-S
F-SecureHeuristic.HEUR/AGEN.1039730
McAfee-GW-EditionBehavesLike.Win32.Downloader.fh
Trapminemalicious.high.ml.score
EmsisoftGen:Variant.Strictor.228565 (B)
IkarusTrojan.SuspectCRC
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1039730
MAXmalware (ai score=89)
Endgamemalicious (high confidence)
ArcabitTrojan.Strictor.D37CD5
AhnLab-V3Win-Trojan/Autoinj05.Exp
ZoneAlarmBackdoor.Win32.Androm.tqpp
MicrosoftTrojan:Win32/Wacatac.B!ml
ALYacTrojan.Ransom.Crysis
CylanceUnsafe
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_60% (W)
MaxSecureTrojan.Malware.300983.susgen

How to remove Strictor.228565 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 install-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 Strictor.228565 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 Strictor.228565 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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