TrojanDownloader:Win32/Vundo.A.dll Virus Removal

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.

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.mlwpath: /opt/CAPEv2/storage/binaries/0116b419d8122d472c161405ca1f716d2dfa0c497f10b05f461353fa2436e107crc32: E2060D9Bmd5: 2291c69d18751e4159376d6c5c01558bsha1: d3c5e3313ef9ec9b7e0974a289e1d22bbb1ab8b6sha256: 0116b419d8122d472c161405ca1f716d2dfa0c497f10b05f461353fa2436e107sha512: d435204007733bb6ab654c59a0a1215c04bb6a5640da92f4140653ed40d6c563fa78a518aa790f43e564bf0b1e3a803a9990c3ec9cf3777a323381a2869b9a75ssdeep: 768:QKt8kvNph0WlLK2m2OSlX7g7jdwEQnm56y6XkXo9d4YX:QKt8kvNphRu2nX87j6EQnmzJoNXtype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windowstlsh: T1ED23BF35A8951DE7C38E1476BDF10B3B766B681104D146826F92EAD73E311D0F92B38Bsha3_384: 887db177d1e5b5704993f70dfeabd686db71c8155f70921c93b8f951801eba05a02456ae75930173c9e38f461299f45cep_bytes: 558bec538b5d08568b750c578b7d1085timestamp: 2011-04-10 11:26:43

Version Info:

0: [No Data]

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

Lionic Trojan.Win32.Cidox.lof2
DrWeb Trojan.Mayachok.based
MicroWorld-eScan Gen:Variant.Adware.Boigy.5
FireEye Generic.mg.2291c69d18751e41
Skyhigh BehavesLike.Win32.Infected.pm
McAfee GenericRXJS-EY!2291C69D1875
Cylance unsafe
Zillya Trojan.Zapchast.Win32.1181
Sangfor Suspicious.Win32.Save.ins
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanDownloader:Win32/Cidox.d038d0d3
K7GW Trojan-Downloader ( 005708301 )
K7AntiVirus Trojan-Downloader ( 005708301 )
BitDefenderTheta Gen:NN.ZedlaF.36744.dq4@amcWiYd
VirIT Trojan.Win32.Generic.FIY
Symantec Trojan.Vundo
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.QJE
APEX Malicious
ClamAV Win.Trojan.Zapchast-3401
Kaspersky Trojan-Ransom.Win32.Cidox.gen
BitDefender Gen:Variant.Adware.Boigy.5
NANO-Antivirus Trojan.Win32.Zapchast.crbgw
Avast Win32:Zapchast-GS [Trj]
Tencent Win32.Trojan-Downloader.Oader.Lzfl
TACHYON Trojan/W32.Small.49152.SV
Emsisoft Gen:Variant.Adware.Boigy.5 (B)
F-Secure Trojan.TR/Vundo.49152
Baidu Win32.Trojan-Downloader.Agent.kd
VIPRE Gen:Variant.Adware.Boigy.5
TrendMicro Ransom_Cidox.R03FC0CC224
Trapmine malicious.high.ml.score
Sophos Troj/Virtum-Gen
Ikarus Trojan.Win32.Ransom
GData Gen:Variant.Adware.Boigy.5
Jiangmin Trojan/Zapchast.anh
Webroot W32.Trojan.Gen
Google Detected
Avira TR/Vundo.49152
Varist W32/Virtumonde.CL_a.gen!Eldorado
Antiy-AVL Trojan[Ransom]/Win32.Cidox
Kingsoft Win32.Troj.Undef.a
Xcitium Malware@#2p9ukczhe3i0m
Arcabit Trojan.Adware.Boigy.5
ZoneAlarm Trojan-Ransom.Win32.Cidox.gen
Microsoft TrojanDownloader:Win32/Vundo.A.dll
Cynet Malicious (score: 100)
VBA32 OScope.Trojan.Nehta.n
ALYac Gen:Variant.Adware.Boigy.5
MAX malware (ai score=100)
Panda Generic Malware
TrendMicro-HouseCall Ransom_Cidox.R03FC0CC224
Rising Malware.Undefined!8.C (TFE:5:ved2dDEHVhT)
Yandex Trojan.GenAsa!OcCpMqdzTp0
MaxSecure Trojan.Malware.2120039.susgen
Fortinet W32/Cidox.SMA!tr
AVG Win32:Zapchast-GS [Trj]
DeepInstinct MALICIOUS

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

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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