Trojan.Agent.CQDV

Written by Robert Bailey

What is Trojan.Agent.CQDV infection?

In this article you will certainly find about the definition of Trojan.Agent.CQDV and also its negative impact on your computer system. Such ransomware are a kind of malware that is specified by on the internet scams to require paying the ransom by a victim.

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In the majority of the instances, Trojan.Agent.CQDV ransomware will certainly instruct its victims to initiate funds move for the function of counteracting the changes that the Trojan infection has actually presented to the victim’s gadget.

Trojan.Agent.CQDV Summary

These modifications can be as follows:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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 created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Exhibits behavior characteristic of Nymaim malware;
  • Zeus P2P (Banking Trojan);
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the target’s hard disk — so the sufferer can no more utilize the information;
  • 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
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Trojan.Agent.CQDV

One of the most normal networks whereby Trojan.Agent.CQDV Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a resource that hosts a harmful software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s PC or protect against the gadget from functioning in a proper fashion – while additionally placing a ransom money note that mentions the requirement for the sufferers to effect the repayment for the objective of decrypting the records or restoring the data system back to the first condition. In the majority of circumstances, the ransom note will come up when the client reboots the COMPUTER after the system has actually currently been harmed.

Trojan.Agent.CQDV distribution networks.

In different corners of the world, Trojan.Agent.CQDV grows by leaps and also bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money quantity may differ relying on particular neighborhood (local) settings. The ransom notes and also tricks of extorting the ransom money quantity might vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the target’s tool. The alert after that requires the user to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software piracy is much less prominent, this technique is not as efficient for the cyber frauds. Alternatively, the Trojan.Agent.CQDV popup alert may incorrectly assert to be deriving from a law enforcement organization and also will report having located youngster porn or other illegal information on the tool.

    Trojan.Agent.CQDV popup alert may falsely declare to be obtaining from a legislation enforcement establishment and also will certainly report having located child pornography or other unlawful data on the gadget. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: F410B2E0
md5: 65f1501bece74c2bb2bd2c5e15a1eb45
name: 65F1501BECE74C2BB2BD2C5E15A1EB45.mlw
sha1: 33544834764842c9de5d26930d94fd196c1a3c68
sha256: de5d78121ac5953d0e20453dc34049c9fba5d0b0cd21c0714a88a80bdf7c75a4
sha512: 8a9359dbd9a2770c7ad09303987e8f0c4837779723837547e79e6644bf0752b1f83edff0eadfbfdfe8b89543636c4cb9c42bb1eaeb6ab0d435573ab246cf69c7
ssdeep: 12288:xhfIGy5VFJ6ip2E7tE5kR65Rba+hEFqE713ShyoWBgEd0tgiL2/0lu:/r0fJppvY+ZFquJrhguHiL2/mu
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.CQDV also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.CQDV
FireEye Generic.mg.65f1501bece74c2b
CAT-QuickHeal Ransom.Cerber.ZZ4
McAfee Trojan-FOIZ!65F1501BECE7
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0052ef101 )
BitDefender Trojan.Agent.CQDV
K7GW Trojan ( 0052ef101 )
Cybereason malicious.bece74
Cyren W32/Nymaim.CI.gen!Eldorado
Symantec Packed.Generic.493
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Banker.Win32.GozNym.pef
NANO-Antivirus Trojan.Win32.Refinka.euxhed
Tencent Malware.Win32.Gencirc.10b496cb
Ad-Aware Trojan.Agent.CQDV
Sophos Mal/Generic-S + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
F-Secure Heuristic.HEUR/AGEN.1105007
DrWeb Trojan.Inject2.62863
Zillya Trojan.Kryptik.Win32.1297301
TrendMicro TROJ_KRYPTIK_GK150034.UVPM
McAfee-GW-Edition BehavesLike.Win32.Generic.jc
Emsisoft Trojan.Agent.CQDV (B)
Ikarus Trojan-Downloader.Win32.Nymaim
Jiangmin Trojan.Refinka.afi
Avira HEUR/AGEN.1105007
MAX malware (ai score=98)
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft TrojanDownloader:Win32/Nymaim.K
Arcabit Trojan.Agent.CQDV
ZoneAlarm HEUR:Trojan-Banker.Win32.GozNym.pef
GData Trojan.Agent.CQDV
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Nymaim.R213316
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34804.MuW@a8gI7@m
ALYac Trojan.Agent.CQDV
TACHYON Trojan/W32.Agent.634880.PL
VBA32 Trojan.Refinka
Malwarebytes Trojan.Nymaim
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GBLP
TrendMicro-HouseCall TROJ_KRYPTIK_GK150034.UVPM
Rising Trojan.Kryptik!1.AE8F (CLOUD)
Yandex Trojan.GenAsa!ym1MtHHLj2M
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_96%
Fortinet W32/Kryptik.FYKK!tr
Webroot W32.Trojan.Gen
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Trojan.Agent.CQDV ransomware?

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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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 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.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan.Agent.CQDV 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 Trojan.Agent.CQDV 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/products/

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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