Win32/TrojanDownloader.Vespula.AY

Seeing the Win32/TrojanDownloader.Vespula.AY malware detection means that your PC is in big danger. This virus can correctly be identified as ransomware – virus which ciphers your files and forces you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.

Win32/TrojanDownloader.Vespula.AY detection is a virus detection you can spectate in your system. It frequently appears after the provoking procedures on your PC – opening the untrustworthy email messages, clicking the banner in the Web or installing the program from unreliable resources. From the instance it appears, you have a short time to act before it starts its malicious activity. And be sure – it is far better not to await these malicious actions.

What is Win32/TrojanDownloader.Vespula.AY virus?

Win32/TrojanDownloader.Vespula.AY is ransomware-type malware. It searches for the documents on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a ton of damage to your system. It modifies the networking settings in order to prevent you from reading the removal articles or downloading the anti-malware program. In rare cases, Win32/TrojanDownloader.Vespula.AY can even block the launching of anti-malware programs.

Win32/TrojanDownloader.Vespula.AY Summary

Summarizingly, Win32/TrojanDownloader.Vespula.AY ransomware activities in the infected system are next:

  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the files kept on the target’s disk — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a headache for the last 4 years. It is difficult to imagine a more dangerous virus for both individual users and companies. The algorithms utilized in Win32/TrojanDownloader.Vespula.AY (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these horrible things instantly – it may take up to a few hours to cipher all of your files. Thus, seeing the Win32/TrojanDownloader.Vespula.AY detection is a clear signal that you need to start the clearing process.

Where did I get the Win32/TrojanDownloader.Vespula.AY?

General tactics of Win32/TrojanDownloader.Vespula.AY spreading are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a relatively new tactic in malware distribution – you get the e-mail that imitates some routine notifications about shipments or bank service conditions modifications. Within the e-mail, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks pretty uncomplicated, however, still demands a lot of recognition. Malware can hide in different spots, and it is much better to prevent it even before it invades your PC than to rely on an anti-malware program. Common cybersecurity awareness is just an important thing in the modern world, even if your relationship with a PC remains on YouTube videos. That may save you a great deal of money and time which you would spend while seeking a solution.

Win32/TrojanDownloader.Vespula.AY malware technical details

File Info:

name: 9C273418C0FA81F533E6.mlwpath: /opt/CAPEv2/storage/binaries/b303b5c2436c715a92ee3641952b24827da2596ccde51c4263ec637474f48cffcrc32: 40700D93md5: 9c273418c0fa81f533e6d61f661cdc03sha1: c369dfde1323f8181a6b71ff2ba0216dfc95accfsha256: b303b5c2436c715a92ee3641952b24827da2596ccde51c4263ec637474f48cffsha512: 9036c3da640ce917a64a955bbc4aeac819fc67fff0dfe21c69a5e1f259b1cd3908f693953bf81b3032a5b2fc09e0341c768a6866d882f11afb4fde18e3e4a124ssdeep: 3072:6e+pywaxHf6Ov+iiOp78L5hYcRKZz24IReSg6PO20/QT72bXLv1zL1:d+gf6k+ih7OgcEz20ITsXbtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T179F347C455D596B2EE0231335929057D70ABBD283C4B9AAEC744EE3ECD782F190293ECsha3_384: 8617e26179f6944ec6f6e0f9f4acc589290f8a9ff00a527fb30e64fb9c975a075fb04ec235d0be126174cad5f8911bb2ep_bytes: 5589e583ec08c7042402000000ff1574timestamp: 2013-01-02 11:29:44

Version Info:

CompanyName: FileVersion: FileDescription: InternalName: LegalCopyright: LegalTrademarks: OriginalFilename: ProductName: ProductVersion: Translation: 0x041c 0x04e4

Win32/TrojanDownloader.Vespula.AY also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Generic.KDZ.3459
FireEye Generic.mg.9c273418c0fa81f5
CAT-QuickHeal Trojan.Ransom.A
ALYac Trojan.Generic.KDZ.3459
VIPRE Trojan.Win32.Reveton.a (v)
Sangfor Trojan.Win32.Generic.3459
K7AntiVirus Trojan ( 0040f03f1 )
Alibaba VirTool:Win32/CeeInject.7b47b86b
K7GW Trojan ( 0040f03f1 )
CrowdStrike win/malicious_confidence_100% (W)
VirIT Trojan.Win32.Generic.XMG
Cyren W32/Trojan.IZCP-6631
Symantec Trojan.Ransomlock!g41
ESET-NOD32 Win32/TrojanDownloader.Vespula.AY
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Generic.KDZ.3459
NANO-Antivirus Trojan.Win32.Zbot.bfdynv
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
Avast Win32:Zbot-TMR [Cryp]
Tencent Win32.Trojan.Spy.Htvr
Ad-Aware Trojan.Generic.KDZ.3459
Sophos Mal/Generic-R + Troj/DwnLdr-KLQ
Comodo Malware@#1axt1ll3mypij
DrWeb Trojan.Winlock.6673
Zillya Downloader.Vespula.Win32.83
TrendMicro TROJ_RANSOM.SMCB
McAfee-GW-Edition BehavesLike.Win32.Ransomware.cc
Emsisoft Trojan.Generic.KDZ.3459 (B)
Ikarus Trojan-Downloader.Win32.Andromeda
Jiangmin TrojanSpy.Zbot.crlq
Webroot W32.Malware.Gen
Avira TR/Spy.Zbot.4487951
MAX malware (ai score=100)
Antiy-AVL Trojan/Generic.ASMalwS.134AF9
Kingsoft Win32.TrojDownloader.Vespula.(kcloud)
Microsoft VirTool:Win32/CeeInject.gen!HL
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Generic.KDZ.3459
Cynet Malicious (score: 100)
AhnLab-V3 Spyware/Win32.Zbot.R48090
Acronis suspicious
McAfee PWS-Zbot.gen.asv
VBA32 OScope.Malware-Cryptor.Fareit.4113
Malwarebytes Trojan.Agent
TrendMicro-HouseCall TROJ_RANSOM.SMCB
Rising Trojan.Injector!8.C4 (CLOUD)
Yandex Trojan.GenAsa!QSXi1QnNhyk
SentinelOne Static AI – Malicious PE
eGambit Generic.Downloader
Fortinet W32/Zbot.AAU!tr
AVG Win32:Zbot-TMR [Cryp]
Cybereason malicious.8c0fa8
Panda Trj/Ransom.AB
MaxSecure Trojan.Malware.4969031.susgen

How to remove Win32/TrojanDownloader.Vespula.AY?

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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