Win32/TrojanDownloader.Agent.CHC Virus Removal

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

Spectating the Win32/TrojanDownloader.Agent.CHC detection means that your PC is in big danger. This malware can correctly be identified as ransomware – virus which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.

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Win32/TrojanDownloader.Agent.CHC detection is a virus detection you can spectate in your system. It often shows up after the preliminary procedures on your PC – opening the dubious e-mail messages, clicking the advertisement in the Web or mounting the program from suspicious sources. From the moment it appears, you have a short time to do something about it before it starts its destructive action. And be sure – it is far better not to await these harmful things.

What is Win32/TrojanDownloader.Agent.CHC virus?

Win32/TrojanDownloader.Agent.CHC is ransomware-type malware. It looks for the documents on your disk, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a ton of harm to your system. It alters the networking settings in order to avoid you from checking out the removal guidelines or downloading the anti-malware program. In rare cases, Win32/TrojanDownloader.Agent.CHC can additionally stop the setup of anti-malware programs.

Win32/TrojanDownloader.Agent.CHC Summary

In summary, Win32/TrojanDownloader.Agent.CHC malware actions in the infected computer are next:

  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the documents located on the victim’s disk drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a horror story for the last 4 years. It is difficult to imagine a more harmful virus for both individuals and companies. The algorithms used in Win32/TrojanDownloader.Agent.CHC (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these horrible things without delay – it may take up to a few hours to cipher all of your files. Therefore, seeing the Win32/TrojanDownloader.Agent.CHC detection is a clear signal that you have to start the removal process.

Where did I get the Win32/TrojanDownloader.Agent.CHC?

Routine ways of Win32/TrojanDownloader.Agent.CHC spreading are usual for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free app, so-called bait emails and hacktools. Bait e-mails are a pretty new tactic in malware spreading – you receive the e-mail that mimics some normal notifications about deliveries or bank service conditions changes. Within the e-mail, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks fairly simple, but still needs tons of recognition. Malware can hide in different spots, and it is better to prevent it even before it gets into your PC than to depend on an anti-malware program. General cybersecurity awareness is just an important item in the modern world, even if your relationship with a computer remains on YouTube videos. That can save you a lot of money and time which you would certainly spend while seeking a fixing guide.

Win32/TrojanDownloader.Agent.CHC malware technical details

File Info:

name: B95C5FE27DFFD9D4EFEA.mlw
path: /opt/CAPEv2/storage/binaries/76a82228249eb0e254c81a1153a8b3d488ebbfc421c7a06c02551353f0be306b
crc32: AA12837D
md5: b95c5fe27dffd9d4efead267ae5ff267
sha1: 420a895f69661db9d3e17562565cd93e5f27d552
sha256: 76a82228249eb0e254c81a1153a8b3d488ebbfc421c7a06c02551353f0be306b
sha512: 1426faf7d69c4e99e05f844b03c1bb603bac2eab41858101842876373360d2a4773d4d050572d0078c210ba8d164f0cbd33cfcee1db57ad3770197e8035fd940
ssdeep: 24576:k5A6YyRpgciccJwRXH2ZUZT0BOwHzgVEyfyT4nP5LtKvsvaxmYcgzL6wRaIV:MA6YJciccJwRX/m/zWYkbKvWPPwL
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T108A59F31BBC18131D5A169314FA4D7BA95BAFC52AF2146CF12983B3D4EB43D28E7431A
sha3_384: f9f09620c1422f818f75727f6c988666ca085c4ffd9a0ba92618e5edce36f724317f3122e95e6777e3dc7eef320ebd1b
ep_bytes: e877a50000e978feffff8bff558bec6a
timestamp: 2016-04-11 13:58:57

Version Info:

CompanyName: ΢ČíÖĐąú
FileDescription: DHLDAT
FileVersion: 1, 0, 0, 1
InternalName: DHLDAT
LegalCopyright: °ćȨËůÓĐ(C) 2015
OriginalFilename: DHLDAT.dat
ProductName: ΢ČíÖĐąú DHLDAT
ProductVersion: 1, 0, 0, 1
Translation: 0x0804 0x04b0

Win32/TrojanDownloader.Agent.CHC also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Farfli.4!c
Cynet Malicious (score: 99)
FireEye Generic.mg.b95c5fe27dffd9d4
Cylance unsafe
VIPRE Trojan.Cud.Gen.1
Sangfor Downloader.Win32.Agent.Vclc
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Backdoor:Win32/Zlob.180910
K7GW Riskware ( 0040eff71 )
Cybereason malicious.27dffd
Baidu Win32.Trojan-Downloader.Agent.cw
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.CHC
APEX Malicious
Kaspersky HEUR:Backdoor.Win32.Farfli.gen
BitDefender Trojan.Cud.Gen.1
MicroWorld-eScan Trojan.Cud.Gen.1
Avast Win32:Malware-gen
Tencent Malware.Win32.Gencirc.10b20fac
Emsisoft Trojan.Cud.Gen.1 (B)
F-Secure Trojan.TR/Dldr.Agent.ospwc
Zillya Downloader.Agent.Win32.308772
TrendMicro TROJ_GEN.R002C0WGR23
McAfee-GW-Edition Artemis!Trojan
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Redosdru
GData Trojan.Cud.Gen.1
Jiangmin Trojan.Generic.gmsgj
Avira TR/Dldr.Agent.ospwc
Antiy-AVL Trojan[Backdoor]/Win32.BigBadWolf.a
Xcitium TrojWare.Win32.Vundo.BZS@4roe89
Arcabit Trojan.Cud.Gen.1
ZoneAlarm HEUR:Backdoor.Win32.Farfli.gen
Microsoft Trojan:Win32/Wacatac.B!ml
Google Detected
McAfee Artemis!B95C5FE27DFF
MAX malware (ai score=85)
VBA32 BScope.TrojanDownloader.Agent
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_GEN.R002C0WGR23
Rising Trojan.Redosdru!8.3 (TFE:5:qG2k4V6a72E)
Yandex Trojan.GenAsa!bEVW0/Hh/tY
MaxSecure Trojan.Malware.11374565.susgen
Fortinet W32/Agent.BVS!tr
BitDefenderTheta Gen:NN.ZexaF.36318.as0@amOZZncP
AVG Win32:Malware-gen
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/TrojanDownloader.Agent.CHC?

Win32/TrojanDownloader.Agent.CHC malware is incredibly difficult to eliminate manually. It stores its data in several places throughout the disk, and can recover itself from one of the parts. Furthermore, a range of modifications in the windows registry, networking configurations and also Group Policies are really hard to identify and revert to the initial. It is better to utilize a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Remove Win32/TrojanDownloader.Agent.CHC with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove Win32/TrojanDownloader.Agent.CHC as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Win32/TrojanDownloader.Agent.CHC Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Win32/TrojanDownloader.Agent.CHC was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Win32/TrojanDownloader.Agent.CHC has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Win32/TrojanDownloader.Agent.CHC” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Win32/TrojanDownloader.Agent.CHC Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Win32/TrojanDownloader.Agent.CHC Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Win32/TrojanDownloader.Agent.CHC and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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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.

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