TrojanSpy:Win32/Ursnif!K

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the TrojanSpy:Win32/Ursnif!K detection means that your computer is in big danger. This computer virus can correctly be identified 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 done as soon as possible.
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TrojanSpy:Win32/Ursnif!K detection is a virus detection you can spectate in your computer. It often appears after the preliminary procedures on your computer – opening the suspicious email, clicking the banner in the Internet or mounting the program from unreliable resources. From the second it appears, you have a short time to do something about it until it begins its malicious activity. And be sure – it is better not to wait for these malicious things.

What is TrojanSpy:Win32/Ursnif!K virus?

TrojanSpy:Win32/Ursnif!K is ransomware-type malware. It searches for the files on your disk drive, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this malware additionally does a lot of damage to your system. It modifies the networking setups in order to stop you from reading the elimination articles or downloading the anti-malware program. In rare cases, TrojanSpy:Win32/Ursnif!K can even prevent the setup of anti-malware programs.

TrojanSpy:Win32/Ursnif!K Summary

In total, TrojanSpy:Win32/Ursnif!K virus actions in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Anomalous file deletion behavior detected (10+);
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Manipulates data from or to the Recycle Bin;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to modify desktop wallpaper;
  • Deletes its original binary from disk;
  • Behavioural detection: Injection (inter-process);
  • 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;
  • CAPE detected the Ursnif3 malware family;
  • Creates a copy of itself;
  • Encrypting the files kept on the target’s disks — 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-malware apps

Ransomware has actually been a major problem for the last 4 years. It is challenging to realize a more damaging virus for both individual users and businesses. The algorithms used in TrojanSpy:Win32/Ursnif!K (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 already exists, and possibly will exist. However, that virus does not do all these bad things immediately – it may take up to a few hours to cipher all of your documents. Hence, seeing the TrojanSpy:Win32/Ursnif!K detection is a clear signal that you must start the clearing process.

Where did I get the TrojanSpy:Win32/Ursnif!K?

Standard tactics of TrojanSpy:Win32/Ursnif!K injection are basic for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a relatively new strategy in malware distribution – you get the e-mail that mimics some normal notifications about shipments or bank service conditions modifications. Within the email, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks quite easy, but still needs a lot of recognition. Malware can hide in different places, and it is far better to prevent it even before it invades your computer than to depend on an anti-malware program. Standard cybersecurity awareness is just an essential item in the modern world, even if your interaction with a computer stays on YouTube videos. That may keep you a lot of money and time which you would spend while searching for a solution.

TrojanSpy:Win32/Ursnif!K malware technical details

File Info:

name: 3536D21ADA81BE509E28.mlw
path: /opt/CAPEv2/storage/binaries/714e6c7d3eb22790c1d885cf5e627f7b945106bd604b824694fc39691956402c
crc32: B0E27A18
md5: 3536d21ada81be509e2879895f55456f
sha1: f2066af0c402b7216f54c9e42ea537d47c64d45e
sha256: 714e6c7d3eb22790c1d885cf5e627f7b945106bd604b824694fc39691956402c
sha512: 3fed5e55c3c1b6eb29f2af23fd7f41c2e6dbe96e1c97a767edae8f4f8f62d415a2701fa9e2c35bf0d1d7e3d13dc2c4962ee5a4017753eeeb866e5388b28c680e
ssdeep: 3072:Nf5WWfJVK0iH6BZjELdaRnH8Y/Zx+GD6Gcg2T8LYYeBl09BtWCwHP6q363HBzVqV:NB9ELERnH/72D8LY3etnw7q3FVrB4i
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15644F14EF7F0C49AC5445538B4860DBB632BF729D31B0F4F86A66982CD90192325B3EE
sha3_384: 858edcc7b666a4e777ff305c06f311cde06c559e7b9ad772232601758e66bf020ffcd8596be4a540eb8d60c67d3f962e
ep_bytes: 558bec83c4b8bf6b0000006a6d5b6a36
timestamp: 2011-04-13 17:47:39

Version Info:

CompanyName: Novosoft
ProductVersion: 8, 5
FileVersion: 8, 5, 6
InternalName: Mahum
LegalCopyright: © 1998
OriginalFilename: Frwobaptl.exe
ProductName: Uqacoxa
FileDescription: Ymib Syqivy Mifi
Translation: 0x0409 0x04b0

TrojanSpy:Win32/Ursnif!K also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Generic.4!c
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Lazy.100047
CAT-QuickHeal Trojan.Zbot.AM4
ALYac Gen:Variant.Lazy.100047
Cylance Unsafe
Sangfor Trojan.Win32.Kazy.374246
K7AntiVirus Riskware ( 0040eff71 )
Alibaba TrojanSpy:Win32/Ursnif.a474b030
K7GW Riskware ( 0040eff71 )
Cybereason malicious.ada81b
Arcabit Trojan.Lazy.D186CF
Baidu Win32.Trojan.Kryptik.ho
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 Win32/Spy.Ursnif.AA
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Lazy.100047
NANO-Antivirus Trojan.Win32.Androm.cyclhm
Avast Win32:Crypt-QZF [Trj]
Tencent Win32.Backdoor.Androm.Lhww
Ad-Aware Gen:Variant.Lazy.100047
Sophos ML/PE-A + Mal/Ransom-CO
Comodo Malware@#jwmutpbxi6fq
DrWeb Trojan.KillProc.31695
Zillya Backdoor.Androm.Win32.8396
TrendMicro TROJ_SPNR.0CE314
McAfee-GW-Edition BehavesLike.Win32.Emotet.dc
FireEye Generic.mg.3536d21ada81be50
Emsisoft Gen:Variant.Lazy.100047 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.gyvm
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1237531
Kingsoft Win32.Hack.Androm.ds.(kcloud)
Microsoft TrojanSpy:Win32/Ursnif.gen!K
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Lazy.100047
Cynet Malicious (score: 100)
Acronis suspicious
McAfee PWSZbot-FBSS!3536D21ADA81
MAX malware (ai score=80)
TrendMicro-HouseCall TROJ_SPNR.0CE314
Rising Trojan.Win32.Generic.16BF112B (C64:YzY0OsLnNJV/LMwL)
Yandex Trojan.PWS.Papras!vlWqHzXbER8
Ikarus Trojan.SuspectCRC
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Simda.NEX!tr
BitDefenderTheta Gen:NN.ZexaF.34638.pq0@amF7weki
AVG Win32:Crypt-QZF [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove TrojanSpy:Win32/Ursnif!K?

TrojanSpy:Win32/Ursnif!K malware is extremely hard to eliminate manually. It puts its files in numerous locations throughout the disk, and can get back itself from one of the parts. Furthermore, a range of changes in the windows registry, networking configurations and also Group Policies are pretty hard to identify and change to the original. It is better to make use of a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus removal goals.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated almost every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for clearing away malware of any kind.

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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