Win32:7Drop-D [Trj]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32:7Drop-D [Trj] malware detection usually means that your computer is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be taken as soon as possible.
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Win32:7Drop-D [Trj] detection is a malware detection you can spectate in your system. It often shows up after the provoking actions on your computer – opening the untrustworthy e-mail, clicking the banner in the Internet or installing the program from dubious resources. From the moment it appears, you have a short time to act before it begins its malicious activity. And be sure – it is better not to await these destructive actions.

What is Win32:7Drop-D [Trj] virus?

Win32:7Drop-D [Trj] is ransomware-type malware. It searches for the files on your disk drives, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of harm to your system. It changes the networking setups in order to avoid you from checking out the elimination manuals or downloading the antivirus. In some cases, Win32:7Drop-D [Trj] can even stop the launching of anti-malware programs.

Win32:7Drop-D [Trj] Summary

Summarizingly, Win32:7Drop-D [Trj] ransomware actions in the infected system 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;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • 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;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Detects the presence of Windows Defender AV emulator via files;
  • Ciphering the files located on the victim’s drive — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a horror story for the last 4 years. It is difficult to imagine a more dangerous malware for both individuals and companies. The algorithms used in Win32:7Drop-D [Trj] (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 malware does not do all these horrible things instantly – it can take up to several hours to cipher all of your documents. Hence, seeing the Win32:7Drop-D [Trj] detection is a clear signal that you need to begin the elimination procedure.

Where did I get the Win32:7Drop-D [Trj]?

Standard methods of Win32:7Drop-D [Trj] spreading are basic for all other ransomware examples. Those are one-day landing sites where users are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern tactic in malware spreading – you receive the e-mail that mimics some routine notifications about shipments or bank service conditions shifts. Inside of the e-mail, there is a corrupted 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 fairly uncomplicated, however, still demands tons of attention. Malware can hide in various places, and it is much better to stop it even before it invades your system than to depend on an anti-malware program. General cybersecurity awareness is just an important thing in the modern world, even if your interaction with a computer remains on YouTube videos. That may save you a great deal of time and money which you would certainly spend while trying to find a fixing guide.

Win32:7Drop-D [Trj] malware technical details

File Info:

name: E676C7ECBEB2F704A18E.mlw
path: /opt/CAPEv2/storage/binaries/e7261eba46fdad154e63a78f8e3bcb24bd1bdc98683a31eedb8838ecd57d50cf
crc32: 2C0CEB9B
md5: e676c7ecbeb2f704a18e30c069dc437c
sha1: 67f762cf5ed84142b313c1c0fe9b127b50de95d8
sha256: e7261eba46fdad154e63a78f8e3bcb24bd1bdc98683a31eedb8838ecd57d50cf
sha512: 3a8e3c9ac6943232a8d80599fc8e5f08457e42a6ddd78c5bfe62c733ba6a18eff97218527937c156d695f1e04c28d7b33e599ee6e0255f8542cdb0769e74e4fe
ssdeep: 24576:753uhFrwh/NnLStZkYEgzT8MxEBoqfT+iuMlD7e/ERsXmnmQx17jdboUN:75+hFrwh/NGtfz4Boo//ejXqmkbNN
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16755028219E000F6D0561F72213A6E5A147FAF2C2F38A5D74715B62A5FB3FC2933AD85
sha3_384: 5cbcaf638f126dca9d13c7cf9fc26e939f3667dc7b94f74c4228c085aeffc5f46f686f5e97ab1690994d98a4ac8e5679
ep_bytes: 558bec6aff6880fa410068f0c4410064
timestamp: 2016-04-02 22:14:34

Version Info:

CompanyName: Oleg N. Scherbakov
FileDescription: 7z Setup SFX (x86)
FileVersion: 1.7.0.3900
InternalName: 7ZSfxMod
LegalCopyright: Copyright © 2005-2016 Oleg N. Scherbakov
OriginalFilename: 7ZSfxMod_x86.exe
PrivateBuild: April 1, 2016
ProductName: 7-Zip SFX
ProductVersion: 1.7.0.3900
Translation: 0x0000 0x04b0

Win32:7Drop-D [Trj] also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.384806
FireEye Generic.mg.e676c7ecbeb2f704
McAfee Artemis!E676C7ECBEB2
Cylance Unsafe
Sangfor Hacktool.Win32.AutoKMS.ml
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/DelFile.88070763
K7GW Trojan ( 0057994c1 )
K7AntiVirus Trojan ( 0057994c1 )
BitDefenderTheta Gen:NN.ZexaF.34084.pr3@aOHXTjc
Cyren W32/Trojan.ASVZ-2895
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.7Zip.S.gen
TrendMicro-HouseCall Ransom.Win32.FAKEGLOBE.JKPR
Paloalto generic.ml
ClamAV Win.Malware.Drivepack-9884589-1
Kaspersky Trojan-Ransom.Win32.Gen.aaqg
BitDefender Gen:Variant.Zusy.384806
Avast Win32:7Drop-D [Trj]
Tencent Win32.Trojan.Gen.Akew
Ad-Aware Gen:Variant.Zusy.384806
Emsisoft Gen:Variant.Zusy.384806 (B)
Comodo fls.noname@0
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.FAKEGLOBE.JKPR
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Sophos Troj/Agent-BGQN
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Zusy.384806
Jiangmin Trojan/CoinMiner.ab.a
Webroot Pua.Opencandy
Avira TR/DelFile.sotbj
MAX malware (ai score=86)
ViRobot Trojan.Win32.Z.Zusy.1305819
Microsoft HackTool:Win32/AutoKMS!ml
Cynet Malicious (score: 100)
AhnLab-V3 Ransomware/Win.Generic.C4385266
VBA32 Trojan.Hesv
ALYac Gen:Variant.Zusy.384806
Malwarebytes Trojan.Dropper.Generic
APEX Malicious
Rising Trojan.HiddenRun/SFX!1.D57B (CLASSIC)
Yandex Trojan.Crypzip!jUFIF/ZmrWk
Ikarus Trojan-Spy.RedLineStealer
Fortinet W32/Gen.AAQG!tr.ransom
AVG Win32:7Drop-D [Trj]
Cybereason malicious.cbeb2f
Panda Trj/CI.A
MaxSecure Trojan.Malware.115685787.susgen

How to remove Win32:7Drop-D [Trj]?

Win32:7Drop-D [Trj] malware is extremely hard to erase by hand. It places its files in numerous places throughout the disk, and can recover itself from one of the parts. Additionally, various changes in the registry, networking settings and also Group Policies are really hard to locate and revert to the original. It is far better to make use of a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Additionally, it does not have such bugs and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for taking out 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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