Win32/Spy.Delf.QJL

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

What is Win32/Spy.Delf.QJL infection?

In this short article you will discover about the meaning of Win32/Spy.Delf.QJL as well as its negative effect on your computer. Such ransomware are a type of malware that is specified by on-line fraudulences to demand paying the ransom by a target.

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Most of the cases, Win32/Spy.Delf.QJL infection will certainly instruct its targets to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the target’s gadget.

Win32/Spy.Delf.QJL 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.
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Network anomalies occured during the analysis.;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Deletes its original binary from disk;
  • 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;
  • 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 documents situated on the target’s hard drive — so the victim can no more make use of 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.

Win32/Spy.Delf.QJL

The most regular channels where Win32/Spy.Delf.QJL Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of individual ending up on a resource that organizes a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or avoid the gadget from functioning in a correct manner – while likewise placing a ransom note that mentions the demand for the targets to effect the payment for the purpose of decrypting the documents or recovering the documents system back to the first condition. In many instances, the ransom note will certainly turn up when the customer restarts the PC after the system has currently been harmed.

Win32/Spy.Delf.QJL distribution channels.

In numerous corners of the world, Win32/Spy.Delf.QJL expands by leaps and also bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom quantity may vary depending upon certain neighborhood (local) setups. The ransom money notes and also tricks of obtaining the ransom quantity might vary depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s tool. The sharp after that requires the customer to pay the ransom.

    Faulty declarations concerning prohibited content.

    In nations where software application piracy is much less popular, this method is not as reliable for the cyber scams. Conversely, the Win32/Spy.Delf.QJL popup alert might wrongly assert to be stemming from a law enforcement establishment and also will certainly report having located child porn or other prohibited data on the gadget.

    Win32/Spy.Delf.QJL popup alert might incorrectly assert to be deriving from a law enforcement institution and will report having located youngster pornography or various other unlawful data on the gadget. The alert will similarly contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: B0979563
md5: 113aa601192ebaf428587dbc3ee64b4d
name: 113AA601192EBAF428587DBC3EE64B4D.mlw
sha1: 6f9c0d21526d1a42429722c8694a1954d5364f3f
sha256: 93d2d1f8198015bea5b1bf2b2c74c4a17409e59ae728cc349eddd9d04e9b5bea
sha512: 413e4b8d4b6fccaa24e4b8101269233d21f37b7bdcee479a6378c46407a55f3061c14918bc7beaae04a2ecfa6813b749cdb1e6196474b8e412c0dff558177a88
ssdeep: 6144:eWo1JrqkhZ9dPpIun1yEXMinSCue4tonGWeXYG0wnkH2NNz8IfMF3:po1VquZfPeunkXCZROi5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Spy.Delf.QJL also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Spyware ( 004ff7501 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen7.32882
Cynet Malicious (score: 85)
ALYac Gen:Variant.Fugrafa.98115
Cylance Unsafe
Zillya Trojan.Delf.Win32.78710
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Foreign.dfbee826
K7GW Spyware ( 004ff7501 )
Cybereason malicious.1192eb
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Spy.Delf.QJL
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.njmm
BitDefender Gen:Variant.Fugrafa.98115
NANO-Antivirus Trojan.Win32.RiskGen.ektnth
MicroWorld-eScan Gen:Variant.Fugrafa.98115
Tencent Win32.Trojan.Foreign.Dumk
Ad-Aware Gen:Variant.Fugrafa.98115
Sophos Mal/Generic-S
Comodo Malware@#27hsk31dc9izh
F-Secure Heuristic.HEUR/AGEN.1119742
BitDefenderTheta AI:Packer.6042CFFE21
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Android.gh
FireEye Generic.mg.113aa601192ebaf4
Emsisoft Gen:Variant.Fugrafa.98115 (B)
Webroot W32.Compromisedrdp.Ransomware.R
Avira HEUR/AGEN.1119742
eGambit Unsafe.AI_Score_95%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft TrojanSpy:Win32/Skeeyah.A!rfn
AegisLab Trojan.Win32.Foreign.j!c
GData Gen:Variant.Fugrafa.98115
AhnLab-V3 Trojan/Win32.Buzus.C107272
McAfee Generic.bhv
MAX malware (ai score=88)
VBA32 BScope.Trojan.Dynamer
Panda Trj/GdSda.A
Rising Ransom.Foreign!8.292 (CLOUD)
Ikarus Trojan-Spy.Agent
Fortinet W32/Delf.QJL!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Foreign.HwUBBiMC

How to remove Win32/Spy.Delf.QJL virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32/Spy.Delf.QJL 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 Win32/Spy.Delf.QJL 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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