Trojan:Win32/SmokeLoader.CU!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan:Win32/SmokeLoader.CU!MTB detection name means that your system is in big danger. This virus can correctly be identified as ransomware – virus which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.
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Trojan:Win32/SmokeLoader.CU!MTB detection is a virus detection you can spectate in your system. It frequently appears after the provoking actions on your PC – opening the suspicious email, clicking the advertisement in the Web or installing the program from suspicious sources. From the moment it shows up, you have a short time to take action before it begins its malicious activity. And be sure – it is much better not to wait for these harmful effects.

What is Trojan:Win32/SmokeLoader.CU!MTB virus?

Trojan:Win32/SmokeLoader.CU!MTB is ransomware-type malware. It looks for the files on your computer, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a ton of harm to your system. It changes the networking settings in order to prevent you from looking for the removal articles or downloading the antivirus. Sometimes, Trojan:Win32/SmokeLoader.CU!MTB can even block the setup of anti-malware programs.

Trojan:Win32/SmokeLoader.CU!MTB Summary

In total, Trojan:Win32/SmokeLoader.CU!MTB ransomware actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • HTTPS urls from behavior.;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities to create a scheduled task;
  • Behavioural detection: Transacted Hollowing;
  • CAPE detected the RedLine malware family;
  • Attempts to identify installed AV products by installation directory;
  • Attempts to modify proxy settings;
  • Deletes executed files from disk;
  • Uses suspicious command line tools or Windows utilities;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the documents located on the target’s drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is hard to realize a more damaging virus for both individuals and corporations. The algorithms used in Trojan:Win32/SmokeLoader.CU!MTB (typically, 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 currently exists, and possibly will exist. But that malware does not do all these horrible things without delay – it may require up to several hours to cipher all of your files. Hence, seeing the Trojan:Win32/SmokeLoader.CU!MTB detection is a clear signal that you need to start the removal process.

Where did I get the Trojan:Win32/SmokeLoader.CU!MTB?

Routine tactics of Trojan:Win32/SmokeLoader.CU!MTB injection are standard for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a pretty modern tactic in malware spreading – you get the e-mail that mimics some standard notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is a malicious 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.

Avoiding it looks quite simple, however, still needs a lot of recognition. Malware can hide in various places, and it is far better to prevent it even before it goes into your computer than to depend on an anti-malware program. Simple cybersecurity knowledge is just an essential item in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can save you a lot of time and money which you would certainly spend while trying to find a fix guide.

Trojan:Win32/SmokeLoader.CU!MTB malware technical details

File Info:

name: E2462F40C0554CAAD6E7.mlw
path: /opt/CAPEv2/storage/binaries/4676f0d6d1d336891914005551ff27845b9c0efa75910a0e45a57c11910e839c
crc32: 690D9996
md5: e2462f40c0554caad6e7eb79c76dd486
sha1: 3cd8723c30ed54c54088f087889f7a9108ebaa5b
sha256: 4676f0d6d1d336891914005551ff27845b9c0efa75910a0e45a57c11910e839c
sha512: 6c84246af18e1616b972eceef724c4ee934b58807a25fc681bac2737e5c0df71db040c2f5bf1064a3e769a516d0bee26dc95a03aed543dc84bfc1353152830fb
ssdeep: 12288:sy90wJ6HUf9CmQcnG8OdVMSOhbeZE26u2aXheAj4WVHSGQj0d8jiYC7yA:syLJEOQmQ+wMSoeZh6aXhn48g1jiYkP
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C2F4125297E91433D9B11BB018FB03931A3ABC935F7583EB62975A5E4CB32C4643633A
sha3_384: 69ac6753f6f055127e2ec7674e1729bcb501dcd75142a866e08b26f17300dca925bb9250c342eb4145e1f2649e685ff1
ep_bytes: e803070000e905000000cccccccccc6a
timestamp: 2016-07-16 01:42:10

Version Info:

CompanyName: Microsoft Corporation
FileDescription: Win32 Cabinet Self-Extractor
FileVersion: 11.00.14393.0 (rs1_release.160715-1616)
InternalName: Wextract
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: WEXTRACT.EXE .MUI
ProductName: Internet Explorer
ProductVersion: 11.00.14393.0
Translation: 0x0409 0x04b0

Trojan:Win32/SmokeLoader.CU!MTB also known as:

Bkav W32.AIDetectMalware
DrWeb Trojan.Siggen20.30296
MicroWorld-eScan Trojan.Generic.33605555
ClamAV Win.Packed.Disabler-9997785-0
FireEye Generic.mg.e2462f40c0554caa
CAT-QuickHeal Ransom.Stop.P5
ALYac Gen:Variant.Doina.56334
Malwarebytes Malware.AI.2975966773
Sangfor Infostealer.Win32.Agent.V25w
K7AntiVirus Trojan-Downloader ( 0057994f1 )
Alibaba TrojanDownloader:Win32/Stealer.23aa80a7
K7GW Trojan-Downloader ( 0057994f1 )
Cybereason malicious.c30ed5
Cyren W32/Kryptik.JPH.gen!Eldorado
Elastic malicious (high confidence)
ESET-NOD32 multiple detections
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 99)
Kaspersky UDS:Trojan-Spy.Win32.Stealer.gen
BitDefender Trojan.Generic.33605555
NANO-Antivirus Trojan.Win32.Deyma.jvqoek
Avast Win32:PWSX-gen [Trj]
Tencent Trojan-Spy.MSIL.Stealer.hjw
Emsisoft Trojan.Generic.33605555 (B)
F-Secure Trojan.TR/Kryptik.kyoxj
VIPRE Trojan.GenericKDZ.99199
TrendMicro TROJ_GEN.R002C0PE123
McAfee-GW-Edition BehavesLike.Win32.AgentTesla.bc
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious SFX
GData Win32.Trojan-Stealer.Cordimik.LIIH64
Jiangmin TrojanDownloader.Deyma.apj
Avira TR/Kryptik.kyoxj
MAX malware (ai score=87)
Antiy-AVL Trojan[Downloader]/Win32.Amadey
Arcabit Trojan.Generic.D200C7B3
ZoneAlarm HEUR:Trojan-Spy.Win32.Stealer.gen
Microsoft Trojan:Win32/SmokeLoader.CU!MTB
Google Detected
McAfee Artemis!E2462F40C055
Cylance unsafe
Panda Trj/Chgt.AD
Rising Downloader.Deyma!8.1093B (TFE:5:OMu8ch8q0aK)
Yandex Trojan.DL.Amadey!zkD/VbrYWfc
Ikarus Trojan-Downloader.Win32.Amadey
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GJIT!tr
AVG Win32:PWSX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/SmokeLoader.CU!MTB?

Trojan:Win32/SmokeLoader.CU!MTB malware is incredibly difficult to remove manually. It puts its documents in numerous places throughout the disk, and can restore itself from one of the parts. In addition, countless changes in the registry, networking settings and also Group Policies are really hard to discover and change to the original. It is better to use a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated almost every hour. In addition, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for removing malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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