Spyware.CryptBot

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

What is Spyware.CryptBot infection?

In this article you will certainly discover regarding the interpretation of Spyware.CryptBot as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on-line frauds to demand paying the ransom by a target.

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In the majority of the cases, Spyware.CryptBot infection will certainly advise its sufferers to start funds transfer for the objective of neutralizing the changes that the Trojan infection has introduced to the victim’s gadget.

Spyware.CryptBot Summary

These alterations 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.
  • Attempts to connect to a dead IP:Port (1 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.;
  • Expresses interest in specific running processes;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • The following process appear to have been packed with Themida: F9CBB8637E9C0A5BC3ED7800A364285C.mlw;
  • Attempts to identify installed AV products by installation directory;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Detects the presence of Wine emulator via registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the victim’s disk drive — so the target can no more make use of the information;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Win32/Ransom.CrySiS.HxMBjR8A
a.tomx.xyz Win32/Ransom.CrySiS.HxMBjR8A
ip-api.com Win32/Ransom.CrySiS.HxMBjR8A

Spyware.CryptBot

The most regular channels where Spyware.CryptBot Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a resource that organizes a destructive software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or protect against the device from functioning in an appropriate fashion – while additionally placing a ransom note that mentions the demand for the sufferers to effect the settlement for the purpose of decrypting the records or recovering the file system back to the first condition. In many circumstances, the ransom note will show up when the client restarts the PC after the system has actually currently been damaged.

Spyware.CryptBot distribution networks.

In various corners of the world, Spyware.CryptBot expands by leaps and also bounds. However, the ransom notes and methods of obtaining the ransom quantity might differ depending upon certain neighborhood (local) settings. The ransom notes and also methods of extorting the ransom money amount might differ depending on particular local (regional) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The sharp then demands the individual to pay the ransom.

    Faulty statements regarding prohibited material.

    In countries where software program piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Conversely, the Spyware.CryptBot popup alert may incorrectly claim to be originating from a police establishment and will report having located kid pornography or various other unlawful information on the gadget.

    Spyware.CryptBot popup alert might falsely declare to be acquiring from a legislation enforcement establishment and also will certainly report having situated youngster porn or other illegal data on the tool. The alert will likewise include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: C2AA31E9
md5: f9cbb8637e9c0a5bc3ed7800a364285c
name: F9CBB8637E9C0A5BC3ED7800A364285C.mlw
sha1: 2e990ec1fdee46b2f8aa6323f428b5b1403f451a
sha256: ccf0e52e21388ebfab406f10061864daf9bca0232a7eb09f1cd5b2a036853dbe
sha512: dc8233afac50dfda009108482b57548d0c5d00462c951745cb44e421c03967bb3c7cae26a464592a7a88f7100fd838b4e2e5c6999395153863c63a4cfa3ce812
ssdeep: 49152:U+H3DebTkXHzl/21v11R8GyusMExdqtaQ0Qr:13DD8vvR85NDbef
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Spyware.CryptBot also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Strictor.256724
FireEye Generic.mg.f9cbb8637e9c0a5b
Qihoo-360 Win32/Ransom.CrySiS.HxMBjR8A
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0040f4ef1 )
BitDefender Gen:Variant.Strictor.256724
K7GW Trojan ( 0040f4ef1 )
Cybereason malicious.1fdee4
BitDefenderTheta Gen:NN.ZexaF.34590.WzWaaGG2xNgi
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
Kaspersky HEUR:Trojan-Ransom.Win32.Crusis.gen
Alibaba Packed:Win32/Themida.bd94e2c6
Rising Malware.Heuristic!ET#100% (RDMK:cmRtazqioUZKJh8/Y7HhGod7MfSd)
Ad-Aware Gen:Variant.Strictor.256724
Sophos ML/PE-A
F-Secure Heuristic.HEUR/AGEN.1130792
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Emsisoft Gen:Variant.Strictor.256724 (B)
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1130792
Microsoft Trojan:Win32/Wacatac.DC!ml
Gridinsoft Trojan.Heur!.038100A1
Arcabit Trojan.Strictor.D3EAD4
ZoneAlarm HEUR:Trojan-Ransom.Win32.Crusis.gen
GData Gen:Variant.Strictor.256724
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Artemis!F9CBB8637E9C
MAX malware (ai score=85)
VBA32 TScope.Malware-Cryptor.SB
Malwarebytes Spyware.CryptBot
ESET-NOD32 a variant of Win32/Packed.Themida.HRH
Tencent Win32.Trojan.Crusis.Egel
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_97%
AVG Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Spyware.CryptBot 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

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 Spyware.CryptBot 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

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If the guide doesn’t help you to remove Spyware.CryptBot 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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