Written by Robert Bailey

What is Win32/Spy.Delf.QOU infection?

In this short article you will certainly locate concerning the interpretation of Win32/Spy.Delf.QOU as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is elaborated by on the internet frauds to demand paying the ransom by a victim.

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Most of the instances, Win32/Spy.Delf.QOU infection will certainly advise its targets to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has presented to the sufferer’s gadget.

Win32/Spy.Delf.QOU Summary

These adjustments can be as follows:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Ciphering the documents found on the victim’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine access to the sufferer’s workstation;

Related domains: Trojan-Ransom.Win32.Blocker.knbr Trojan-Ransom.Win32.Blocker.knbr Trojan-Ransom.Win32.Blocker.knbr


The most normal networks through which Win32/Spy.Delf.QOU Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a source that holds a destructive software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s PC or protect against the tool from working in a proper way – while likewise placing a ransom money note that mentions the demand for the targets to impact the payment for the function of decrypting the records or restoring the documents system back to the preliminary problem. In many instances, the ransom note will turn up when the client reboots the PC after the system has already been damaged.

Win32/Spy.Delf.QOU distribution networks.

In numerous edges of the globe, Win32/Spy.Delf.QOU expands by leaps and bounds. However, the ransom notes and also methods of obtaining the ransom money amount might differ depending on particular regional (local) setups. The ransom notes as well as methods of extorting the ransom quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s tool. The sharp then demands the individual to pay the ransom.

    Faulty statements regarding prohibited web content.

    In countries where software application piracy is much less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/Spy.Delf.QOU popup alert may incorrectly declare to be originating from a law enforcement establishment as well as will report having located youngster porn or other prohibited information on the tool.

    Win32/Spy.Delf.QOU popup alert might incorrectly claim to be obtaining from a legislation enforcement organization and also will certainly report having located youngster porn or other unlawful data on the device. The alert will similarly contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7A60750F
md5: 13645c113b8d9eef29e29895e8451d3a
name: 13645C113B8D9EEF29E29895E8451D3A.mlw
sha1: 0ad30cb1fee025a292aca614bb5f598797ae21f1
sha256: d2520c46fd1d09ace3c5c6179edaf8d75a8a33c7dfd7d13c894ef5cf4f6665cd
sha512: 8dfdf8669612e355261d0ac482bb8fc1a131469e2fa8d66b5a781515d084064a25b21fbd0153abe90ba846c3c33cef5a53dd829b59fcda16cc78f117554ae442
ssdeep: 24576:mtDmPbD9QUiHS3VgYPquQ5KoYlyQ1WN5yOnuGJG:FbD9Qk3VgY4pYlyQ1gyo
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

ProgramID: com.embarcadero.Winlogon_x64
ProductName: Winlogon_x64
FileDescription: Winlogon_x64
Translation: 0x0409 0x04e4

Win32/Spy.Delf.QOU also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Spyware ( 0051a9601 )
Lionic Trojan.Win32.Generic.4!c
ALYac Gen:Variant.Zusy.368087
Cylance Unsafe
Zillya Trojan.Blocker.Win32.39464
K7GW Spyware ( 0051a9601 )
Cybereason malicious.13b8d9
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Spy.Delf.QOU
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.knbr
BitDefender Gen:Variant.Zusy.368087
NANO-Antivirus Trojan.Win32.Blocker.evyuvu
MicroWorld-eScan Gen:Variant.Zusy.368087
Tencent Win32.Trojan.Blocker.Dwjk
Ad-Aware Gen:Variant.Zusy.368087
Sophos Mal/Generic-S
Comodo Malware@#1mrg6f9t7nn06
BitDefenderTheta AI:Packer.F9BEDBF218
VIPRE Trojan.Win32.Generic!BT
FireEye Gen:Variant.Zusy.368087
Emsisoft Gen:Variant.Zusy.368087 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.iap
Avira TR/Spy.Banker.Gen4
Antiy-AVL Trojan/Generic.ASMalwS.22F8ECF
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Zusy.D59DD7
GData Gen:Variant.Zusy.368087
AhnLab-V3 Trojan/Win32.Blocker.C2381744
McAfee Artemis!13645C113B8D
MAX malware (ai score=97)
VBA32 TScope.Trojan.Delf
Panda Trj/GdSda.A
Yandex Trojan.GenAsa!VhAlGrfMo8k
Ikarus Trojan-Ransom.Blocker
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic!worm
AVG Win32:Malware-gen

How to remove Win32/Spy.Delf.QOU 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

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.QOU 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 Win32/Spy.Delf.QOU you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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