Mal/Behav-024

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

What is Mal/Behav-024 infection?

In this article you will certainly discover about the meaning of Mal/Behav-024 and its unfavorable influence on your computer. Such ransomware are a form of malware that is elaborated by on-line scams to require paying the ransom money by a victim.

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In the majority of the situations, Mal/Behav-024 ransomware will certainly advise its victims to initiate funds transfer for the purpose of counteracting the changes that the Trojan infection has actually presented to the sufferer’s device.

Mal/Behav-024 Summary

These modifications can be as follows:

  • Possible date expiration check, exits too soon after checking local time;
  • Expresses interest in specific running processes;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 copy of itself;
  • Ciphering the files situated on the target’s hard disk — so the victim can no longer utilize the data;
  • Preventing normal 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.
Similar behavior
Related domains
z.whorecord.xyz BehavesLike.Win32.Vundo.mc
t.nxxxn.ga BehavesLike.Win32.Vundo.mc
a.tomx.xyz BehavesLike.Win32.Vundo.mc

Mal/Behav-024

The most common channels where Mal/Behav-024 Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that hosts a destructive software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s computer or protect against the tool from operating in a proper fashion – while likewise putting a ransom money note that states the need for the targets to impact the payment for the objective of decrypting the papers or recovering the file system back to the preliminary problem. In the majority of instances, the ransom note will turn up when the customer restarts the COMPUTER after the system has currently been harmed.

Mal/Behav-024 distribution channels.

In various edges of the globe, Mal/Behav-024 grows by jumps and bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom money quantity may vary relying on specific neighborhood (regional) setups. The ransom notes as well as techniques of obtaining the ransom amount might vary depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having discovered some unlicensed applications made it possible for on the victim’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements concerning prohibited web content.

    In nations where software piracy is less popular, this technique is not as efficient for the cyber scams. Conversely, the Mal/Behav-024 popup alert may incorrectly declare to be stemming from a law enforcement establishment as well as will report having situated kid pornography or various other illegal information on the gadget.

    Mal/Behav-024 popup alert may wrongly assert to be acquiring from a law enforcement organization and also will report having situated kid pornography or other illegal data on the gadget. The alert will in a similar way include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 2619A5F2
md5: d133afabdc5bb4f4ad57c0bc4c8a1680
name: SQLIOMDSD.exe
sha1: 0f12d9defbacc16339d94c58acc2c594056db7cc
sha256: 39f40f782f6edde721e584a10478bc6293c92d241e9f27dae5fb52d752b9f527
sha512: a224839a518464f805d3cbb9ab62d96e9e69ad03bbe392ce7892a2bb3e3f992284a9d6bcf36ede24c0c969d2720b94571b5f22b10746485f253d18024502a248
ssdeep: 384:M/dxXkROvwuK76kNQexc+v2PVGsa1IJyGxsTKV9K2fId1F7vvxlLYe:M/v0wWzHc+v2Pssa1pGyTdF7Db
type: MS-DOS executable, MZ for MS-DOS

Version Info:

LegalCopyright: (C) 360.cn Inc. All Rights Reserved.
InternalName: 360DnsOpt
FileVersion: 1.0.0.1058
CompanyName: 360x4e92x8054x7f51x5b89x5168x4e2dx5fc3
ProductName: 360x5b89x5168x536bx58eb
ProductVersion: 1.0.0.1058
FileDescription: 360x5b89x5168x536bx58eb DNSx4f18x9009
OriginalFilename: 360DnsOpt.exe
Translation: 0x0804 0x04b0

Mal/Behav-024 also known as:

Bkav W32.FarfliS9BR.Trojan
MicroWorld-eScan GenPack:Generic.Zegost.3.E594680F
FireEye Generic.mg.d133afabdc5bb4f4
CAT-QuickHeal Trojan.GenericPMF.S7517963
McAfee Trojan-INV
Malwarebytes Backdoor.Farfli
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 004d57481 )
BitDefender GenPack:Generic.Zegost.3.E594680F
K7GW Trojan ( 004d57481 )
Cybereason malicious.bdc5bb
TrendMicro BKDR_ZEGOST.SM40
Baidu Win32.Trojan.Agent.atj
Cyren W32/Farfli.BA.gen!Eldorado
APEX Malicious
ClamAV Win.Malware.Zegost-6919579-0
Kaspersky Trojan.Win32.Agent.xadaxg
Rising Backdoor.Farfli!8.B4 (RDMK:cmRtazpoM09m/abG5KasoNrpNyO8)
Ad-Aware GenPack:Generic.Zegost.3.E594680F
Sophos Mal/Behav-024
Comodo TrojWare.Win32.PSW.GamePass.F@35ift2
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb BackDoor.Spy.2436
Zillya Trojan.Agent.Win32.1126264
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Vundo.mc
Trapmine malicious.high.ml.score
CMC Virus.Win32.Sality!O
Emsisoft GenPack:Generic.Zegost.3.E594680F (B)
Ikarus Trojan.Win32.Agent
GData GenPack:Generic.Zegost.3.E594680F
Jiangmin Trojan/Generic.bcjgw
MaxSecure Win.MxResIcn.Heur.Gen
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=84)
Microsoft Backdoor:Win32/Zegost.CD!bit
Endgame malicious (high confidence)
Arcabit GenPack:Generic.Zegost.3.E594680F
ZoneAlarm Trojan.Win32.Agent.xadaxg
AhnLab-V3 Backdoor/Win32.RL_Zegost.R289802
Acronis suspicious
VBA32 BScope.Trojan.Agent
ALYac GenPack:Generic.Zegost.3.E594680F
TACHYON Backdoor/W32.Farfli.22528.B
Zoner Trojan.Win32.68809
ESET-NOD32 Win32/Agent.QJH
TrendMicro-HouseCall BKDR_ZEGOST.SM40
Tencent Malware.Win32.Gencirc.10b0c2af
Yandex Backdoor.Farfli!S9/WFy1iLOU
SentinelOne DFI – Malicious PE
Fortinet W32/Agent.QJH!tr
Webroot W32.Malware.Mlpe
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM18.1.B2D1.Malware.Gen

How to remove Mal/Behav-024 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 Mal/Behav-024 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 Mal/Behav-024 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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