Backdoor:Win32/Predator.J!MTB

Seeing the Backdoor:Win32/Predator.J!MTB malware detection means that your computer is in big danger. This malware can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.

Backdoor:Win32/Predator.J!MTB detection is a virus detection you can spectate in your computer. It frequently appears after the provoking activities on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from suspicious sources. From the instance it appears, you have a short time to act before it begins its harmful action. And be sure – it is far better not to wait for these malicious actions.

What is Backdoor:Win32/Predator.J!MTB virus?

Backdoor:Win32/Predator.J!MTB is ransomware-type malware. It looks for the documents on your computer, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this virus additionally does a lot of damage to your system. It alters the networking settings in order to avoid you from reading the removal articles or downloading the antivirus. Sometimes, Backdoor:Win32/Predator.J!MTB can additionally prevent the launching of anti-malware programs.

Backdoor:Win32/Predator.J!MTB Summary

In total, Backdoor:Win32/Predator.J!MTB malware actions in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Anomalous file deletion behavior detected (10+);
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • Enumerates running processes;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • Harvests cookies for information gathering;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system;
  • Ciphering the files kept on the victim’s disk drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a horror story for the last 4 years. It is difficult to imagine a more dangerous virus for both individuals and organizations. The algorithms used in Backdoor:Win32/Predator.J!MTB (typically, 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 already exists, and possibly will exist. But that malware does not do all these terrible things without delay – it may take up to a few hours to cipher all of your files. Thus, seeing the Backdoor:Win32/Predator.J!MTB detection is a clear signal that you must begin the elimination process.

Where did I get the Backdoor:Win32/Predator.J!MTB?

Typical tactics of Backdoor:Win32/Predator.J!MTB spreading are basic for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern tactic in malware spreading – you get the e-mail that imitates some normal notifications about shipments or bank service conditions shifts. Within the email, there is an infected MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Preventing it looks quite easy, however, still needs a lot of focus. Malware can hide in different places, and it is far better to stop it even before it gets into your computer than to depend on an anti-malware program. Common cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That may keep you a great deal of money and time which you would spend while searching for a fixing guide.

Backdoor:Win32/Predator.J!MTB malware technical details

File Info:

name: 49FAE99EB5320934DB72.mlwpath: /opt/CAPEv2/storage/binaries/20ac93a9be3d2790b044f72f258a61eb2bd0f781b7b5f5a37aca6c00b5c76eaecrc32: D6FD5C0Fmd5: 49fae99eb5320934db7244542188b596sha1: ae287a626fa0c300d891f19780c6d98f78364f33sha256: 20ac93a9be3d2790b044f72f258a61eb2bd0f781b7b5f5a37aca6c00b5c76eaesha512: 128ac4c66d75535e99a451f33fbe338d464807eaaa3e21d7e18df4f92d77658ccccb69a0d5cf7bd5a496873cdb79951da7e9801da3ac2ff6be66d1df7473ee4bssdeep: 12288:Vj7p+f+5dn2PU9fLv1Vam2RttEBdnQ0w9Z0sU4F1Ltp6xW55mVc7lJOvVPaB:Vj7p/IU9fL1Vam2RYXYZHzF1GW55mVcBtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C8E4F121B6E0C0B3E26215790461C3F5AEAB38769626994FBFC51FF90F346D1972630Esha3_384: a446fef814c164999513793e8554d5b7d1d08a723b6237c28df8762fbb86980338201de457c5fd5dfa06c3b2bbf2b887ep_bytes: e88c510000e979feffffcccccccccccctimestamp: 2017-12-30 01:04:16

Version Info:

0: [No Data]

Backdoor:Win32/Predator.J!MTB also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.49fae99eb5320934
CAT-QuickHeal Ransom.Stop.P5
McAfee Artemis!49FAE99EB532
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1628207
Sangfor Trojan.Win32.Generic.ky
K7AntiVirus Trojan ( 0054cafc1 )
Alibaba Trojan:Win32/Kryptik.52a2e48d
K7GW Trojan ( 0054cafc1 )
Cybereason malicious.eb5320
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GSLY
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.Chapak.fpplcn
MicroWorld-eScan Trojan.Brsecmon.1
Avast Win32:CrypterX-gen [Trj]
Tencent Win32.Trojan.Chapak.Pgxe
Ad-Aware Trojan.Brsecmon.1
Emsisoft Trojan.Brsecmon.1 (B)
Comodo Malware@#1grnte5b3b4yr
DrWeb Trojan.DownLoader34.16057
VIPRE Trojan.Win32.Generic!BT
TrendMicro TrojanSpy.Win32.URSNIF.SMD1.hp
McAfee-GW-Edition BehavesLike.Win32.Dropper.bh
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Crypt
GData Trojan.Brsecmon.1
Avira TR/AD.VidarStealer.goa
Antiy-AVL Trojan/Generic.ASMalwS.2B44F13
Microsoft Backdoor:Win32/Predator.J!MTB
AhnLab-V3 Trojan/Win32.MalPe4.R267189
BitDefenderTheta Gen:NN.ZexaF.34182.RuW@a45ItJp
ALYac Trojan.Brsecmon.1
MAX malware (ai score=99)
VBA32 BScope.Backdoor.Predator
Malwarebytes Malware.AI.2678032943
TrendMicro-HouseCall TrojanSpy.Win32.URSNIF.SMD1.hp
Rising Trojan.GenKryptik!8.AA55 (CLOUD)
Yandex Trojan.Kryptik!ogZiymPx4gk
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.74270293.susgen
Fortinet W32/GenKryptik.DQHN!tr
AVG Win32:CrypterX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Predator.J!MTB?

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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