Win32/Filecoder.Ishtar.B

Seeing the Win32/Filecoder.Ishtar.B detection usually 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 unusual steps that must be done as soon as possible.

Win32/Filecoder.Ishtar.B detection is a virus detection you can spectate in your system. It often shows up after the provoking actions on your PC – opening the dubious email, clicking the banner in the Web or installing the program from suspicious sources. From the second it appears, you have a short time to do something about it before it begins its destructive action. And be sure – it is far better not to wait for these harmful things.

What is Win32/Filecoder.Ishtar.B virus?

Win32/Filecoder.Ishtar.B is ransomware-type malware. It looks for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus additionally does a ton of damage to your system. It alters the networking settings in order to stop you from looking for the elimination guides or downloading the antivirus. In rare cases, Win32/Filecoder.Ishtar.B can even prevent the setup of anti-malware programs.

Win32/Filecoder.Ishtar.B Summary

Summarizingly, Win32/Filecoder.Ishtar.B malware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Authenticode signature is invalid;
  • A ping command was executed with the -n argument possibly to delay analysis;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the files located on the target’s disks — so the victim cannot use these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a headache for the last 4 years. It is difficult to realize a more damaging virus for both individuals and businesses. The algorithms used in Win32/Filecoder.Ishtar.B (generally, 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 currently exists, and possibly will exist. However, that malware does not do all these unpleasant things instantly – it may take up to several hours to cipher all of your files. Hence, seeing the Win32/Filecoder.Ishtar.B detection is a clear signal that you need to begin the elimination procedure.

Where did I get the Win32/Filecoder.Ishtar.B?

Routine methods of Win32/Filecoder.Ishtar.B distribution are usual for all other ransomware variants. Those are one-day landing websites where victims are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a pretty modern strategy in malware distribution – you receive the email that mimics some routine notifications about deliveries or bank service conditions changes. Inside of the e-mail, there is an infected MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks quite easy, but still demands tons of recognition. Malware can hide in different places, and it is far better to stop it even before it gets into your system than to trust in an anti-malware program. Simple cybersecurity awareness is just an essential item in the modern world, even if your interaction with a computer stays on YouTube videos. That may save you a great deal of money and time which you would spend while seeking a fix guide.

Win32/Filecoder.Ishtar.B malware technical details

File Info:

name: 406CDF72B272C0AB0D50.mlwpath: /opt/CAPEv2/storage/binaries/7ac917ea4f032061d74147b825cc2c8e79fe5cda6d97be17a6271e1b8297bfc9crc32: B940A3DEmd5: 406cdf72b272c0ab0d5061b2f7cdf03bsha1: bfcfb67d8661714c6816e67fdfe6192160e29f49sha256: 7ac917ea4f032061d74147b825cc2c8e79fe5cda6d97be17a6271e1b8297bfc9sha512: 813808137cb50f441ec982b3c5bc60c6406c0a2e00c1206d79cd0e9b28441e0e6bf6476003bbe45da6dece086470cb21860ec1d78a8d90d4a717013e0748745bssdeep: 49152:Rw80cTsjkWaUHpz6krzd0T7x4PWAHcvqgTUO7:+8sjkaJ3du+WAgqg4O7type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D7A5F01273DDC360CB669133BF29B7056EBB7C714630B95B2F880D7DA960161262DBA3sha3_384: 2793946e86a279f130f37666f1030b3b8f5b11acf554025506a53a58a4511539f470e39fd2e2ce8da273d5a99fd9e60dep_bytes: e8b8d00000e97ffeffffcccccccccccctimestamp: 2016-11-21 18:12:05

Version Info:

Translation: 0x0809 0x04b0

Win32/Filecoder.Ishtar.B also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Generic.4!e
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKD.30758654
FireEye Generic.mg.406cdf72b272c0ab
ALYac Trojan.Ransom.Ishtar
Malwarebytes Generic.Malware/Suspicious
K7AntiVirus Trojan ( 004fccef1 )
Alibaba Trojan:Win32/Ishtar.dad62839
K7GW Trojan ( 004fccef1 )
Cybereason malicious.2b272c
Arcabit Trojan.Generic.D1D556FE
Cyren W32/Autoit.YXFT-3677
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Filecoder.Ishtar.B
APEX Malicious
Paloalto generic.ml
ClamAV Win.Ransomware.Ishtar-5399275-0
Kaspersky HEUR:Trojan.Script.Generic
BitDefender Trojan.GenericKD.30758654
NANO-Antivirus Trojan.Win32.Encoder.eipvns
Avast Win32:Trojan-gen
Tencent Win32.Trojan.Filecoder.Paca
Ad-Aware Trojan.GenericKD.30758654
Emsisoft Trojan.GenericKD.30758654 (B)
Comodo Malware@#qy37nun0jt01
F-Secure Heuristic.HEUR/AGEN.1245567
TrendMicro Ransom_ISHTAR.F116KN
McAfee-GW-Edition BehavesLike.Win32.Generic.vc
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Filecoder
Jiangmin Trojan.Script.zwr
Webroot W32.Trojan.GenKD
Avira HEUR/AGEN.1245567
MAX malware (ai score=100)
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:MSIL/Cryptor
ViRobot Trojan.Win32.Z.Ishtar.2104453
GData Trojan.GenericKD.30758654
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.Ishtar.R190422
McAfee Artemis!406CDF72B272
VBA32 Trojan.Autoit.Wirus
Cylance Unsafe
TrendMicro-HouseCall Ransom_ISHTAR.F116KN
Fortinet W32/Filecoder_Ishtar.B!tr
AVG Win32:Trojan-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/Filecoder.Ishtar.B?

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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