TrojanDownloader:Win32/Vundo.A.dll Virus Removal

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

Seeing the TrojanDownloader:Win32/Vundo.A.dll malware detection means that your computer is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be done as soon as possible.

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TrojanDownloader:Win32/Vundo.A.dll detection is a virus detection you can spectate in your system. It often appears after the provoking activities on your computer – opening the dubious email, clicking the advertisement in the Web or setting up the program from unreliable sources. From the moment it appears, you have a short time to act until it starts its harmful action. And be sure – it is better not to wait for these malicious things.

What is TrojanDownloader:Win32/Vundo.A.dll virus?

TrojanDownloader:Win32/Vundo.A.dll is ransomware-type malware. It searches for the files on your disk drives, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a ton of harm to your system. It changes the networking settings in order to stop you from reading the elimination articles or downloading the anti-malware program. In rare cases, TrojanDownloader:Win32/Vundo.A.dll can also block the setup of anti-malware programs.

TrojanDownloader:Win32/Vundo.A.dll Summary

Summarizingly, TrojanDownloader:Win32/Vundo.A.dll ransomware actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the files located on the target’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is hard to imagine a more dangerous malware for both individual users and companies. The algorithms utilized in TrojanDownloader:Win32/Vundo.A.dll (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these horrible things immediately – it may require up to a few hours to cipher all of your documents. Therefore, seeing the TrojanDownloader:Win32/Vundo.A.dll detection is a clear signal that you should start the clearing process.

Where did I get the TrojanDownloader:Win32/Vundo.A.dll?

General tactics of TrojanDownloader:Win32/Vundo.A.dll injection are basic for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free program, so-called bait emails and hacktools. Bait e-mails are a pretty modern method in malware distribution – you get the e-mail that simulates some routine notifications about shippings or bank service conditions shifts. 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 uncomplicated, but still requires a lot of awareness. Malware can hide in various places, and it is much better to prevent it even before it goes into your PC than to trust in an anti-malware program. Basic cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a PC stays on YouTube videos. That can keep you a lot of money and time which you would certainly spend while looking for a solution.

TrojanDownloader:Win32/Vundo.A.dll malware technical details

File Info:

name: 2291C69D18751E415937.mlw
path: /opt/CAPEv2/storage/binaries/0116b419d8122d472c161405ca1f716d2dfa0c497f10b05f461353fa2436e107
crc32: E2060D9B
md5: 2291c69d18751e4159376d6c5c01558b
sha1: d3c5e3313ef9ec9b7e0974a289e1d22bbb1ab8b6
sha256: 0116b419d8122d472c161405ca1f716d2dfa0c497f10b05f461353fa2436e107
sha512: d435204007733bb6ab654c59a0a1215c04bb6a5640da92f4140653ed40d6c563fa78a518aa790f43e564bf0b1e3a803a9990c3ec9cf3777a323381a2869b9a75
ssdeep: 768:QKt8kvNph0WlLK2m2OSlX7g7jdwEQnm56y6XkXo9d4YX:QKt8kvNphRu2nX87j6EQnmzJoNX
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T1ED23BF35A8951DE7C38E1476BDF10B3B766B681104D146826F92EAD73E311D0F92B38B
sha3_384: 887db177d1e5b5704993f70dfeabd686db71c8155f70921c93b8f951801eba05a02456ae75930173c9e38f461299f45c
ep_bytes: 558bec538b5d08568b750c578b7d1085
timestamp: 2011-04-10 11:26:43

Version Info:

0: [No Data]

TrojanDownloader:Win32/Vundo.A.dll also known as:

LionicTrojan.Win32.Cidox.lof2
DrWebTrojan.Mayachok.based
MicroWorld-eScanGen:Variant.Adware.Boigy.5
FireEyeGeneric.mg.2291c69d18751e41
SkyhighBehavesLike.Win32.Infected.pm
McAfeeGenericRXJS-EY!2291C69D1875
Cylanceunsafe
ZillyaTrojan.Zapchast.Win32.1181
SangforSuspicious.Win32.Save.ins
CrowdStrikewin/malicious_confidence_90% (W)
AlibabaTrojanDownloader:Win32/Cidox.d038d0d3
K7GWTrojan-Downloader ( 005708301 )
K7AntiVirusTrojan-Downloader ( 005708301 )
BitDefenderThetaGen:NN.ZedlaF.36744.dq4@amcWiYd
VirITTrojan.Win32.Generic.FIY
SymantecTrojan.Vundo
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/TrojanDownloader.Agent.QJE
APEXMalicious
ClamAVWin.Trojan.Zapchast-3401
KasperskyTrojan-Ransom.Win32.Cidox.gen
BitDefenderGen:Variant.Adware.Boigy.5
NANO-AntivirusTrojan.Win32.Zapchast.crbgw
AvastWin32:Zapchast-GS [Trj]
TencentWin32.Trojan-Downloader.Oader.Lzfl
TACHYONTrojan/W32.Small.49152.SV
EmsisoftGen:Variant.Adware.Boigy.5 (B)
F-SecureTrojan.TR/Vundo.49152
BaiduWin32.Trojan-Downloader.Agent.kd
VIPREGen:Variant.Adware.Boigy.5
TrendMicroRansom_Cidox.R03FC0CC224
Trapminemalicious.high.ml.score
SophosTroj/Virtum-Gen
IkarusTrojan.Win32.Ransom
GDataGen:Variant.Adware.Boigy.5
JiangminTrojan/Zapchast.anh
WebrootW32.Trojan.Gen
GoogleDetected
AviraTR/Vundo.49152
VaristW32/Virtumonde.CL_a.gen!Eldorado
Antiy-AVLTrojan[Ransom]/Win32.Cidox
KingsoftWin32.Troj.Undef.a
XcitiumMalware@#2p9ukczhe3i0m
ArcabitTrojan.Adware.Boigy.5
ZoneAlarmTrojan-Ransom.Win32.Cidox.gen
MicrosoftTrojanDownloader:Win32/Vundo.A.dll
CynetMalicious (score: 100)
VBA32OScope.Trojan.Nehta.n
ALYacGen:Variant.Adware.Boigy.5
MAXmalware (ai score=100)
PandaGeneric Malware
TrendMicro-HouseCallRansom_Cidox.R03FC0CC224
RisingMalware.Undefined!8.C (TFE:5:ved2dDEHVhT)
YandexTrojan.GenAsa!OcCpMqdzTp0
MaxSecureTrojan.Malware.2120039.susgen
FortinetW32/Cidox.SMA!tr
AVGWin32:Zapchast-GS [Trj]
DeepInstinctMALICIOUS

How to remove TrojanDownloader:Win32/Vundo.A.dll?

TrojanDownloader:Win32/Vundo.A.dll malware is extremely difficult to remove by hand. It stores its documents in multiple locations throughout the disk, and can recover itself from one of the elements. Furthermore, countless alterations in the registry, networking setups and also Group Policies are pretty hard to discover and return to the original. It is better to make use of a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for malware elimination reasons.

Remove TrojanDownloader:Win32/Vundo.A.dll 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 TrojanDownloader:Win32/Vundo.A.dll 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 TrojanDownloader:Win32/Vundo.A.dll 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 TrojanDownloader:Win32/Vundo.A.dll 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 TrojanDownloader:Win32/Vundo.A.dll 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 “TrojanDownloader:Win32/Vundo.A.dll” 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 TrojanDownloader:Win32/Vundo.A.dll Virus

Step 4: Remove Found Threats:

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

Searching TrojanDownloader:Win32/Vundo.A.dll 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 TrojanDownloader:Win32/Vundo.A.dll 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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