Trojan.Agent.QDD
Ava White
Updated on March 10, 2026
What is Trojan.Agent.QDD infection?
In this article you will certainly discover about the interpretation of Trojan.Agent.QDD and its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom by a target.
Most of the instances, Trojan.Agent.QDD ransomware will advise its sufferers to initiate funds move for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.
Trojan.Agent.QDD Summary
These alterations 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.
- Compression (or decompression);
- 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.
- Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.
Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.
- A process created a hidden window;
- 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 language used in binary resources: Rhaeto (Romance);
- Uses Windows utilities for basic functionality;
- Attempts to remove evidence of file being downloaded from the Internet;
- Attempts to delete volume shadow copies;
- Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware;
- Network activity contains more than one unique useragent.;
- 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
- Writes a potential ransom message to disk;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Creates a copy of itself;
- Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
- Uses suspicious command line tools or Windows utilities;
- Ciphering the records situated on the target’s disk drive — so the victim can no more make use of the information;
- Preventing routine access to the victim’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.Agent.QDD
The most common channels whereby Trojan.Agent.QDD are infused are:
- By methods of phishing emails;
- As a consequence of customer winding up on a resource that holds a malicious software program;
As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or protect against the tool from functioning in an appropriate way – while also positioning a ransom note that points out the demand for the targets to effect the payment for the purpose of decrypting the files or restoring the data system back to the preliminary problem. In a lot of circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has already been harmed.
Trojan.Agent.QDD distribution channels.
In different edges of the globe, Trojan.Agent.QDD expands by leaps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity might differ depending on specific local (local) setups. The ransom notes as well as tricks of extorting the ransom money amount may vary depending on specific local (regional) settings.
As an example:
Faulty informs concerning unlicensed software.
In specific areas, the Trojans usually wrongfully report having actually found some unlicensed applications allowed on the victim’s tool. The alert after that requires the user to pay the ransom money.
Faulty declarations concerning unlawful content.
In nations where software application piracy is much less preferred, this approach is not as effective for the cyber scams. Conversely, the Trojan.Agent.QDD popup alert might falsely claim to be stemming from a law enforcement institution and will report having situated youngster pornography or various other prohibited information on the device.
Trojan.Agent.QDD popup alert might falsely declare to be obtaining from a law enforcement establishment and also will report having situated youngster pornography or other unlawful data on the device. The alert will similarly include a requirement for the customer to pay the ransom money.
Technical details
File Info:
crc32: 692648ABmd5: 96dc40d21d90a99488de941a4f5dce24name: 96DC40D21D90A99488DE941A4F5DCE24.mlwsha1: 5c82f6ecc614953656c5e28a3c4f13c745d44f1dsha256: 8a8211a7407c99a59f6aac0983371a017404ef0fca1f9d9ba367467d100695bcsha512: 510397eb6d7edf7f560fda54d8f6310a33bc0554bc28d968c3dd49c61140e0e06594b33d6844c6cae4ca06e2c7da18af3a6a3ee40b023df10fdad4bca61cf2e0ssdeep: 6144:qxXCmbWScsfGnOf4+h5ReDytIGFZrGxIQeuMS/Zy8R2JKGLBKauSR:aXCmbW7+Gn2XuK1ZGxWYKLkWRtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: Catechists xa9 2010InternalName: CompatibilityFileVersion: 138, 238, 143, 46CompanyName: ProductName: Endangering CharlatansFileDescription: BouncersOriginalFilename: Centralised.exe
Trojan.Agent.QDD also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 004d41c61 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Encoder.1754 |
| Cynet | Malicious (score: 100) |
| CAT-QuickHeal | Ransom.TeslaCrypt.WR4 |
| Cylance | Unsafe |
| Zillya | Trojan.Deshacop.Win32.215 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (D) |
| Alibaba | Ransom:Win32/Tescrypt.4ba2e4fe |
| K7GW | Trojan ( 004d41c61 ) |
| Cybereason | malicious.21d90a |
| Symantec | Trojan.Gen |
| ESET-NOD32 | Win32/Filecoder.TeslaCrypt.E |
| APEX | Malicious |
| Avast | Win32:TeslaCrypt-Y [Trj] |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| BitDefender | Trojan.Cripack.Gen.1 |
| NANO-Antivirus | Trojan.Win32.Deshacop.dvuova |
| ViRobot | Trojan.Win32.Ransom.337428 |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Trojan.Cripack.Gen.1 |
| Tencent | Malware.Win32.Gencirc.114c7b85 |
| Ad-Aware | Trojan.Cripack.Gen.1 |
| Sophos | ML/PE-A + Mal/Tinba-L |
| BitDefenderTheta | Gen:NN.ZexaF.34628.uq3@aWp3C3fH |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | Cryp_HpMyApp |
| McAfee-GW-Edition | TeslaCrypt!96DC40D21D90 |
| FireEye | Generic.mg.96dc40d21d90a994 |
| Emsisoft | Trojan.Cripack.Gen.1 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan/Deshacop.el |
| Webroot | Trojan.Dropper.Gen |
| Avira | HEUR/AGEN.1124199 |
| Kingsoft | Win32.Troj.Deshacop.zb.(kcloud) |
| Microsoft | Ransom:Win32/Tescrypt.C |
| Arcabit | Trojan.Cripack.Gen.1 |
| AegisLab | Trojan.Win32.Generic.4!c |
| GData | Trojan.Cripack.Gen.1 |
| AhnLab-V3 | Win-Trojan/Lockycrypt.Gen |
| Acronis | suspicious |
| McAfee | TeslaCrypt!96DC40D21D90 |
| MAX | malware (ai score=100) |
| VBA32 | BScope.Trojan.Encoder |
| Malwarebytes | Trojan.Agent.QDD |
| Panda | Trj/Genetic.gen |
| TrendMicro-HouseCall | Cryp_HpMyApp |
| Rising | Ransom.Tescrypt!8.3AF (CLOUD) |
| Yandex | Trojan.Deshacop!SRBEA1zzqp8 |
| Ikarus | Trojan.Win32.Filecoder |
| Fortinet | W32/Deshacop.XO!tr |
| AVG | Win32:TeslaCrypt-Y [Trj] |
| Qihoo-360 | HEUR/QVM07.1.Malware.Gen |
How to remove Trojan.Agent.QDD virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Trojan.Agent.QDD 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Trojan.Agent.QDD you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
