Win32/TrojanDownloader.FlyStudio.AY

Spectating the Win32/TrojanDownloader.FlyStudio.AY malware detection means that your computer is in big danger. This malware can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.

Win32/TrojanDownloader.FlyStudio.AY detection is a malware detection you can spectate in your computer. It often appears after the provoking activities on your computer – opening the untrustworthy e-mail messages, clicking the advertisement in the Internet or setting up the program from suspicious sources. From the instance it appears, you have a short time to take action before it starts its malicious action. And be sure – it is far better not to wait for these harmful things.

What is Win32/TrojanDownloader.FlyStudio.AY virus?

Win32/TrojanDownloader.FlyStudio.AY Summary

Summarizingly, Win32/TrojanDownloader.FlyStudio.AY malware activities in the infected system are next:

  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • Encrypting the files located on the victim’s disks — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a horror story for the last 4 years. It is hard to picture a more dangerous malware for both individuals and corporations. The algorithms used in Win32/TrojanDownloader.FlyStudio.AY (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. But that virus does not do all these bad things instantly – it can require up to several hours to cipher all of your documents. Therefore, seeing the Win32/TrojanDownloader.FlyStudio.AY detection is a clear signal that you need to start the clearing process.

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

Standard ways of Win32/TrojanDownloader.FlyStudio.AY spreading are typical for all other ransomware examples. Those are one-day landing websites where users are offered to download and install the free program, so-called bait e-mails and hacktools. Bait emails are a pretty modern method in malware spreading – you receive the e-mail that imitates some normal notifications about deliveries or bank service conditions updates. Within the email, there is a malicious 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 quite uncomplicated, but still requires tons of attention. Malware can hide in different places, and it is better to prevent it even before it gets into your computer than to depend on an anti-malware program. Common cybersecurity awareness is just an essential thing in the modern world, even if your relationship with a PC remains on YouTube videos. That may save you a lot of money and time which you would spend while searching for a solution.

Win32/TrojanDownloader.FlyStudio.AY malware technical details

File Info:

name: 104A371C82442DFA1F18.mlwpath: /opt/CAPEv2/storage/binaries/034e0062eecb19723bf706768204ce3a7e876635899ece535a034ad7bde2d6adcrc32: A2EA7AA3md5: 104a371c82442dfa1f182dceeebfca61sha1: 0b5f1485be2da3a8006056dc562425b6492b9111sha256: 034e0062eecb19723bf706768204ce3a7e876635899ece535a034ad7bde2d6adsha512: 5312ed2b64a66830e65317dbf34526868acbe40a747648dbc3071b1695c1f7ff1bdb4407937f12022f9f3177aa0a9e61ad2b7cb7aace589922f0d22069d7a009ssdeep: 6144:UGwcBRPDZk9pAaHa2c/O5TFxcySEO5omPokJbTsrV7Eh3YkTehuLux45JdYbVbO:HwW1DZQo2xhQ5omf0rt8bTeAyx8Jqbwtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19F84230EBF74C02CE229207064179E3D8E27AD6602125F1BFD1ABDCFB5B1990BD5A54Bsha3_384: d80a82749ea2895282c49df7acb0a9b5687cb38c0e7a076d4114de3c77e16104e18d321deea4a7a52d4014e6470714e7ep_bytes: 60be00704d008dbe00a0f2ff5783cdfftimestamp: 2014-03-16 14:15:45

Version Info:

FileVersion: 1.0.0.0FileDescription: 易语言程序ProductName: 小说阅读下载器ProductVersion: 1.0.0.0LegalCopyright: 作者版权所有 请尊重并使用正版Comments: 小说阅读下载器Translation: 0x0804 0x04b0

Win32/TrojanDownloader.FlyStudio.AY also known as:

Elastic malicious (moderate confidence)
MicroWorld-eScan Gen:Variant.Zusy.160416
FireEye Generic.mg.104a371c82442dfa
CAT-QuickHeal Ransom.Genasom.16527
McAfee GenericRXAA-AA!104A371C8244
Cylance Unsafe
Zillya Downloader.FlyStudio.Win32.3444
Sangfor Trojan.Win32.Heuristic.ET
K7AntiVirus Trojan ( 005246d51 )
Alibaba TrojanDownloader:Win32/FlyStudio.90c440d1
K7GW Trojan ( 005246d51 )
Cybereason malicious.c82442
VirIT Backdoor.Win32.BlackHole.BIRJ
Cyren W32/Agent.EW.gen!Eldorado
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/TrojanDownloader.FlyStudio.AY
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Variant.Zusy.160416
NANO-Antivirus Trojan.Win32.FlyStudio.cwzmoz
SUPERAntiSpyware Trojan.Agent/Gen-Defmid
Avast Win32:Malware-gen
Tencent Malware.Win32.Gencirc.10b367fb
Ad-Aware Gen:Variant.Zusy.160416
Sophos Generic ML PUA (PUA)
Comodo Malware@#1e6a5rrjyz4ow
DrWeb BackDoor.BlackHole.23435
VIPRE Gen:Variant.Zusy.160416
McAfee-GW-Edition BehavesLike.Win32.Backdoor.fc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Zusy.160416 (B)
Ikarus Trojan.Win32.QQpass
GData Win32.Application.FlyStudio.F
Jiangmin Variant.Zusy.mq
Avira TR/Dldr.FlyStudio.AY.3
Antiy-AVL Trojan/Generic.ASCommon.FA
Arcabit Trojan.Zusy.D272A0
Microsoft Trojan:Win32/Wacatac.B!ml
Google Detected
BitDefenderTheta Gen:NN.ZexaF.34646.ymLfaeDgXNlb
ALYac Gen:Variant.Zusy.160416
MAX malware (ai score=83)
VBA32 Backdoor.BlackHole
Malwarebytes Malware.Heuristic.1003
Rising Malware.Heuristic!ET (C64:YzY0Og91v21LqGRR)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
AVG Win32:Malware-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_60% (W)

How to remove Win32/TrojanDownloader.FlyStudio.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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