Trojan.AgentWDCR.SVC (B)
Ava White
Updated on April 22, 2026
What is Trojan.AgentWDCR.SVC (B) infection?
In this article you will find concerning the definition of Trojan.AgentWDCR.SVC (B) as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a sufferer.
Most of the instances, Trojan.AgentWDCR.SVC (B) virus will advise its sufferers to initiate funds move for the objective of neutralizing the changes that the Trojan infection has actually introduced to the victim’s device.
Trojan.AgentWDCR.SVC (B) 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.
- 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;
- Unconventionial language used in binary resources: Serbian;
- Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
- Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
- The sample wrote data to the system hosts file.;
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the documents located on the sufferer’s hard disk drive — so the sufferer can no longer make use of the information;
- Preventing regular access 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.AgentWDCR.SVC (B)
The most typical networks where Trojan.AgentWDCR.SVC (B) Ransomware Trojans are infused are:
- By means of phishing e-mails;
- As a repercussion of user ending up on a resource that hosts a destructive software application;
As soon as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or avoid the device from operating in an appropriate manner – while also positioning a ransom note that discusses the need for the targets to impact the repayment for the function of decrypting the papers or bring back the data system back to the preliminary problem. In many instances, the ransom money note will turn up when the client reboots the COMPUTER after the system has currently been harmed.
Trojan.AgentWDCR.SVC (B) distribution networks.
In different corners of the globe, Trojan.AgentWDCR.SVC (B) grows by leaps as well as bounds. Nevertheless, the ransom notes and also methods of obtaining the ransom money amount may differ depending upon certain regional (local) settings. The ransom notes and methods of extorting the ransom money amount may vary depending on specific regional (local) settings.
For instance:
Faulty signals concerning unlicensed software application.
In specific locations, the Trojans typically wrongfully report having identified some unlicensed applications allowed on the target’s device. The sharp then requires the user to pay the ransom.
Faulty declarations concerning prohibited web content.
In countries where software program piracy is much less popular, this method is not as efficient for the cyber scams. Alternatively, the Trojan.AgentWDCR.SVC (B) popup alert may incorrectly claim to be stemming from a police establishment and also will certainly report having situated youngster pornography or various other prohibited information on the tool.
Trojan.AgentWDCR.SVC (B) popup alert might incorrectly declare to be acquiring from a regulation enforcement institution and will report having situated youngster porn or other illegal data on the tool. The alert will similarly include a requirement for the customer to pay the ransom.
Technical details
File Info:
crc32: 5F666E64md5: 996ba35165bb62473d2a6743a5200d45name: updatewin2.exesha1: 52169b0b5cce95c6905873b8d12a759c234bd2e0sha256: 5caffdc76a562e098c471feaede5693f9ead92d5c6c10fb3951dd1fa6c12d21dsha512: 2a7fb9bdf8dcf577ac851752f8875a710a3694b99d107c397942fce1392fd99ee0b85f1fddc18c33fba56d7b8fd4dda5f40f28e64d8398e6048c2ab140780634ssdeep: 6144:vLgbC0mVQlY+3aKn7n4CTHcXXnXXfXXXWXXXXHXXXXBXXXXgXXXXX5XXXXiXXXX:vGCtQlb3aKzvT8XXnXXfXXXWXXXXHXXtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: Copyright (C) 2018, guvaxizInternalName: gigifaw.exeFileVersion: 5.3.7.82Translation: 0x0669 0x04b0
Trojan.AgentWDCR.SVC (B) also known as:
| GridinSoft | Trojan.Ransom.Gen |
| MicroWorld-eScan | Trojan.AgentWDCR.SVC |
| FireEye | Generic.mg.996ba35165bb6247 |
| CAT-QuickHeal | Ransom.Stop.S7866402 |
| McAfee | Generic.bto |
| ALYac | Trojan.Ransom.Stop |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| AegisLab | Trojan.Win32.Generic.4!c |
| Sangfor | Malware |
| K7AntiVirus | Trojan ( 00545a541 ) |
| BitDefender | Trojan.AgentWDCR.SVC |
| K7GW | Trojan ( 00545a541 ) |
| Cybereason | malicious.165bb6 |
| Invincea | heuristic |
| BitDefenderTheta | Gen:NN.ZexaF.34084.ru0@aqo3V9lG |
| F-Prot | W32/Kryptik.PT.gen!Eldorado |
| Symantec | Packed.Generic.525 |
| ESET-NOD32 | Win32/Qhost.PPC |
| TrendMicro-HouseCall | Trojan.Win32.MALREP.THOABAAI |
| Avast | Other:Malware-gen [Trj] |
| GData | Win32.Packed.Kryptik.BHC4MD |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| Alibaba | Trojan:Win32/Qhost.f7d7d33f |
| NANO-Antivirus | Trojan.Win32.Encoder.fmcefj |
| ViRobot | Trojan.Win32.S.Agent.281088.FA |
| Tencent | Win32.Trojan.Generic.Hufr |
| Endgame | malicious (high confidence) |
| Sophos | Mal/GandCrab-G |
| Comodo | Malware@#336x40kplzrai |
| F-Secure | |
| DrWeb | Trojan.Encoder.26667 |
| Zillya | Trojan.Hosts2.Win32.3219 |
| TrendMicro | Trojan.Win32.MALREP.THOABAAI |
| McAfee-GW-Edition | BehavesLike.Win32.Downloader.dh |
| Trapmine | malicious.high.ml.score |
| Emsisoft | Trojan.AgentWDCR.SVC (B) |
| APEX | Malicious |
| Cyren | W32/Trojan.KIAG-5029 |
| Jiangmin | Trojan.Generic.dayql |
| MaxSecure | Ransomeware.GandCrypt.JZ |
| Avira | TR/Crypt.Agent.tbytt |
| Antiy-AVL | Trojan[Ransom]/Win32.Chapak.a |
| Arcabit | Trojan.AgentWDCR.SVC |
| SUPERAntiSpyware | |
| AhnLab-V3 | Win-Trojan/Gandcrab10.Exp |
| ZoneAlarm | HEUR:Trojan.Win32.Generic |
| Microsoft | Trojan:Win32/Fareit.V!MTB |
| TACHYON | Trojan/W32.DNSChanger.281088 |
| VBA32 | BScope.Trojan.Chapak |
| MAX | malware (ai score=100) |
| Ad-Aware | Trojan.AgentWDCR.SVC |
| Malwarebytes | Trojan.MalPack.GS |
| Panda | Trj/WLT.E |
| Zoner | Trojan.Win32.80301 |
| Rising | Trojan.Kryptik!1.B582 (KTSE) |
| Yandex | Trojan.Agent!DLDkla8n4zQ |
| Ikarus | Trojan-Ransom.Downloader.Stop |
| eGambit | Unsafe.AI_Score_99% |
| Fortinet | W32/Generic.PPC!tr |
| Webroot | W32.Adware.Installcore |
| AVG | Other:Malware-gen [Trj] |
| Paloalto | generic.ml |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Qihoo-360 | Win32/Trojan.96d |
How to remove Trojan.AgentWDCR.SVC (B) virus?
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:
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.AgentWDCR.SVC (B) 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.AgentWDCR.SVC (B) you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
