Trojan.AgentWDCR.SVC (B)

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

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.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

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.

Ransomware injection

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: 5F666E64
md5: 996ba35165bb62473d2a6743a5200d45
name: updatewin2.exe
sha1: 52169b0b5cce95c6905873b8d12a759c234bd2e0
sha256: 5caffdc76a562e098c471feaede5693f9ead92d5c6c10fb3951dd1fa6c12d21d
sha512: 2a7fb9bdf8dcf577ac851752f8875a710a3694b99d107c397942fce1392fd99ee0b85f1fddc18c33fba56d7b8fd4dda5f40f28e64d8398e6048c2ab140780634
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018, guvaxiz
InternalName: gigifaw.exe
Translation: 0x0669 0x04b0

Trojan.AgentWDCR.SVC (B) also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.AgentWDCR.SVC
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 Trojan.TR/Crypt.Agent.tbytt
DrWeb Trojan.Encoder.26667
Zillya Trojan.Hosts2.Win32.3219
TrendMicro Trojan.Win32.MALREP.THOABAAI
McAfee-GW-Edition BehavesLike.Win32.Downloader.dh
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 Trojan.Agent/Gen-Dropper
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]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.96d

How to remove Trojan.AgentWDCR.SVC (B) 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

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.

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 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.

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 Trojan.AgentWDCR.SVC (B) you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

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.

Leave a Reply