Trojan.Qulab

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

What is Trojan.Qulab infection?

In this article you will locate concerning the meaning of Trojan.Qulab as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is specified by online frauds to require paying the ransom money by a sufferer.

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Most of the situations, Trojan.Qulab virus will certainly advise its targets to start funds move for the function of reducing the effects of the modifications that the Trojan infection has presented to the target’s tool.

Trojan.Qulab Summary

These adjustments can be as complies with:

  • 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;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • 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 found on the victim’s hard disk — so the victim can no more utilize the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan.Qulab

One of the most common networks where Trojan.Qulab Ransomware are injected are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a source that organizes a harmful software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the target’s computer or avoid the device from operating in a proper way – while also placing a ransom note that mentions the requirement for the victims to effect the settlement for the purpose of decrypting the documents or bring back the file system back to the preliminary condition. In most instances, the ransom note will come up when the client reboots the COMPUTER after the system has actually currently been harmed.

Trojan.Qulab circulation networks.

In various corners of the globe, Trojan.Qulab expands by leaps and bounds. Nevertheless, the ransom notes and methods of extorting the ransom quantity may differ depending upon particular regional (local) settings. The ransom money notes as well as tricks of obtaining the ransom quantity might differ depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the victim’s device. The sharp then requires the customer to pay the ransom.

    Faulty statements concerning prohibited web content.

    In countries where software application piracy is much less popular, this technique is not as reliable for the cyber scams. Additionally, the Trojan.Qulab popup alert may falsely assert to be stemming from a law enforcement institution and will report having situated child porn or other illegal information on the device.

    Trojan.Qulab popup alert may wrongly claim to be acquiring from a regulation enforcement establishment and will report having situated kid porn or other prohibited information on the tool. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 28DED327
md5: a19ec9872a4a1a9bd3aa9e58d0854bdc
name: A19EC9872A4A1A9BD3AA9E58D0854BDC.mlw
sha1: 1d76ccc15d153f23724389ff1f4db695e162f7b6
sha256: 7b350ee9314892c4b1709c34724345bc0d7ee8abf2c64acc60b4c016510e7e40
sha512: bd8e4cbf48166a4d692eec91cae4ee80fd134f40c6d54735d3602904818000bce741cc06f3b6fd2243ec84c405215ca5e045858bc4479832e09ea05f7364215f
ssdeep: 6144:GcJFK0UhwlhAmEAc6Pdfz9KlWZBDUWlKBkfpkVLLzHMhM3FlB8NO29xh2+y3JViK:GeK0y8hAYPdfz9KliDKOhkVrqMVln8h+
type: MS-DOS executable, MZ for MS-DOS

Version Info:

Translation: 0x0809 0x04b0

Trojan.Qulab also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f65341 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen7.26209
Cynet Malicious (score: 100)
ALYac Gen:Variant.Graftor.931390
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.7234
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 004f65341 )
Cybereason malicious.72a4a1
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.NHN
APEX Malicious
Avast AutoIt:Ransom-K [Trj]
ClamAV Win.Malware.Fuerboos-6951932-0
Kaspersky Trojan-Ransom.Win32.Gen.emx
BitDefender Gen:Variant.Graftor.931390
NANO-Antivirus Trojan.Win32.AD.eqbwny
MicroWorld-eScan Gen:Variant.Graftor.931390
Tencent Win32.Trojan.Gen.Llhe
Ad-Aware Gen:Variant.Graftor.931390
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZexaF.34608.xmraayqMbHei
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPTOWIRE.F117FF
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.fc
FireEye Generic.mg.a19ec9872a4a1a9b
Emsisoft Gen:Variant.Graftor.931390 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1119270
eGambit Unsafe.AI_Score_76%
Microsoft Ransom:Win32/Genasom
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Graftor.931390
AhnLab-V3 Trojan/Win32.Banload.C1347630
Acronis suspicious
McAfee Artemis!A19EC9872A4A
MAX malware (ai score=86)
VBA32 Trojan.Tiggre
Malwarebytes Trojan.Qulab
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPTOWIRE.F117FF
Rising Ransom.Gen!8.DE83 (CLOUD)
Ikarus Trojan.Win32.Autoit
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Ouroboros.A!tr.ransom
AVG AutoIt:Ransom-K [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.ffa

How to remove Trojan.Qulab 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 Trojan.Qulab 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 Trojan.Qulab 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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