Win32/TrojanDownloader.Delf.SOY

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/TrojanDownloader.Delf.SOY detection name means that your computer is in big danger. This virus can correctly be identified as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Win32/TrojanDownloader.Delf.SOY detection is a virus detection you can spectate in your computer. It generally shows up after the preliminary activities on your computer – opening the suspicious email, clicking the advertisement in the Web or setting up the program from untrustworthy resources. From the moment it appears, you have a short time to do something about it until it starts its malicious action. And be sure – it is better not to wait for these malicious effects.

What is Win32/TrojanDownloader.Delf.SOY virus?

Win32/TrojanDownloader.Delf.SOY is ransomware-type malware. It searches for the files on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of harm to your system. It alters the networking setups in order to stop you from reading the elimination guides or downloading the anti-malware program. In some cases, Win32/TrojanDownloader.Delf.SOY can even stop the setup of anti-malware programs.

Win32/TrojanDownloader.Delf.SOY Summary

In total, Win32/TrojanDownloader.Delf.SOY virus activities in the infected PC are next:

  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup;
  • Encrypting the documents kept on the victim’s disk drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is challenging to picture a more hazardous malware for both individuals and corporations. The algorithms used in Win32/TrojanDownloader.Delf.SOY (usually, 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 currently exists, and possibly will exist. But that virus does not do all these horrible things instantly – it may require up to several hours to cipher all of your files. Thus, seeing the Win32/TrojanDownloader.Delf.SOY detection is a clear signal that you have to begin the clearing procedure.

Where did I get the Win32/TrojanDownloader.Delf.SOY?

General tactics of Win32/TrojanDownloader.Delf.SOY spreading are usual for all other ransomware variants. Those are one-day landing sites where users are offered to download and install the free app, so-called bait emails and hacktools. Bait e-mails are a relatively new method in malware spreading – you get the e-mail that imitates some standard notifications about shippings or bank service conditions modifications. Within the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

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

Preventing it looks pretty simple, but still requires a lot of focus. Malware can hide in different spots, and it is much better to prevent it even before it invades your computer than to rely upon an anti-malware program. Common cybersecurity knowledge is just an important item in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may save you a lot of money and time which you would spend while trying to find a fixing guide.

Win32/TrojanDownloader.Delf.SOY malware technical details

File Info:

name: A35706BDF811A036DDAC.mlw
path: /opt/CAPEv2/storage/binaries/f05b2326779b91b1832dfc3028cdda5e410e1271275881f803a9e46f1d25d3fc
crc32: C0DEE054
md5: a35706bdf811a036ddac2f2d6a033e64
sha1: a7dd1a0dcb5d9e82d690815137a986fb4729bb5f
sha256: f05b2326779b91b1832dfc3028cdda5e410e1271275881f803a9e46f1d25d3fc
sha512: b9c73892a11f6c8fd1e69e368a6f94c9646c0523ad4114525f3884a3e78dcc5107030d013f448b57914b7d4ed17cb8b04892532605a5e2d48049c15c7b4a2640
ssdeep: 12288:PiGAeeHczUYGnkJnnfaJgdombNUGzsIUKHymKj:PQ5YGkJnlxNU2nHymKj
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D3257D67F1D0983AD17A2F78AC579BA495397E101D74114F37E83E0CCA362B2361A1EB
sha3_384: 2c8e7f31b382daf250c5438782f6d06c0cec7bb992d999406d2365c2ca92266571101fa7ade7cbeb11f49c3e4d27b447
ep_bytes: 558bec83c4f0b8a4954700e890d3f8ff
timestamp: 1992-06-19 22:22:17

Version Info:

CompanyName: Northshore system international
FileDescription: system file
FileVersion: 8.1.4.4
InternalName: Idtsvc
LegalCopyright: All right reserved© 2009
LegalTrademarks:
OriginalFilename: Idtsvc.exe
ProductName:
ProductVersion: 8.1.4.4
Translation: 0x041f 0x04e6

Win32/TrojanDownloader.Delf.SOY also known as:

Elasticmalicious (high confidence)
FireEyeGeneric.mg.a35706bdf811a036
CylanceUnsafe
ZillyaTrojan.APosT.Win32.228
SangforTrojan.Win32.Save.a
Cybereasonmalicious.dcb5d9
BitDefenderThetaAI:Packer.05714D3A21
CyrenW32/Delf.CPDP-5466
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/TrojanDownloader.Delf.SOY
APEXMalicious
ClamAVWin.Downloader.DelphiDownloader-6609388-1
KasperskyHEUR:Trojan.Win32.Generic
AvastWin32:Malware-gen
SentinelOneStatic AI – Suspicious PE
AviraHEUR/AGEN.1214490
MicrosoftTrojan:Win32/Wacatac.B!ml
CynetMalicious (score: 99)
AhnLab-V3Malware/Win32.RL_Generic.R301611
VBA32BScope.TrojanRansom.Encoder
YandexTrojan.GenAsa!9c/Dx/kIBZo
AVGWin32:Malware-gen
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_60% (D)

How to remove Win32/TrojanDownloader.Delf.SOY?

Win32/TrojanDownloader.Delf.SOY malware is incredibly difficult to delete manually. It stores its files in several locations throughout the disk, and can get back itself from one of the elements. Additionally, a number of modifications in the windows registry, networking configurations and Group Policies are fairly hard to locate and return to the original. It is much better to utilize a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated just about every hour. Additionally, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for eliminating 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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