Trojan:Win32/Kovter.E

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/Kovter.E malware detection usually means that your PC is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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Trojan:Win32/Kovter.E detection is a virus detection you can spectate in your system. It generally shows up after the preliminary actions on your computer – opening the untrustworthy e-mail messages, clicking the advertisement in the Web or mounting the program from unreliable sources. From the moment it shows up, you have a short time to act until it starts its malicious activity. And be sure – it is much better not to wait for these destructive actions.

What is Trojan:Win32/Kovter.E virus?

Trojan:Win32/Kovter.E is ransomware-type malware. It looks for the documents on your computer, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It alters the networking setups in order to stop you from reading the elimination articles or downloading the anti-malware program. Sometimes, Trojan:Win32/Kovter.E can even block the launching of anti-malware programs.

Trojan:Win32/Kovter.E Summary

Summarizingly, Trojan:Win32/Kovter.E virus activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • At least one process apparently crashed during execution;
  • Sample contains Overlay data;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Encrypting the documents kept on the victim’s disk drive — 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 apps

Ransomware has been a nightmare for the last 4 years. It is hard to picture a more hazardous malware for both individual users and businesses. The algorithms utilized in Trojan:Win32/Kovter.E (generally, 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. However, that malware does not do all these bad things instantly – it may take up to a few hours to cipher all of your files. Thus, seeing the Trojan:Win32/Kovter.E detection is a clear signal that you need to start the clearing process.

Where did I get the Trojan:Win32/Kovter.E?

Usual methods of Trojan:Win32/Kovter.E distribution are typical for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a pretty new tactic in malware spreading – you get the email that imitates some routine notifications about shipments or bank service conditions shifts. Inside of the e-mail, there is a corrupted 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.

Avoiding it looks fairly uncomplicated, but still needs tons of recognition. Malware can hide in different spots, and it is far better to stop it even before it invades your PC than to depend on an anti-malware program. Simple cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a PC stays on YouTube videos. That can keep you a lot of money and time which you would spend while searching for a fix guide.

Trojan:Win32/Kovter.E malware technical details

File Info:

name: 420798A8CE926E37D049.mlw
path: /opt/CAPEv2/storage/binaries/79807c4c75da53d6abadf3d97ec41ce4614035c02b6f378f43ba9f680fd551c9
crc32: 9BE194D3
md5: 420798a8ce926e37d04942e1c20ded99
sha1: 09e07d2fd093e86e5af6a58f495ac933ce2005b8
sha256: 79807c4c75da53d6abadf3d97ec41ce4614035c02b6f378f43ba9f680fd551c9
sha512: 904baaa91946c91d55b7ff6753f3acc09a971f1fe7c87c7bdcbc69a7f61487a215ccb9ac83159c860fb6508dde71d73df78c067de42b3c5555dbd0758f48229f
ssdeep: 6144:BZJ6cwYCkwJBuJPu189wrGhEdBtxdTvWnVfnttDhqsDynfygUKpw:BZsYvwzuJPu6wrGhEdDoTtqsDNgUKy
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1CE84CF10A581D139F6D741B989F98FBD651CFE20035424C793C8ABBE936A7E129F20DE
sha3_384: fd025c9873a7862db6f268d8ea9e0b12ef2adcff4d9146a36c4ba18ce3742179295ba5e4c907ee6787e4160e0d142fdc
ep_bytes: 558bec6aff6870ec410068c4bd400064
timestamp: 2015-01-05 16:24:09

Version Info:

0: [No Data]

Trojan:Win32/Kovter.E also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Generic.mfrs
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Zusy.121726
FireEyeGeneric.mg.420798a8ce926e37
CAT-QuickHealRansomware.LockScreen.AO3
ALYacGen:Variant.Zusy.121726
CylanceUnsafe
VIPREGen:Variant.Zusy.121726
SangforTrojan.Win32.Kovter.8
K7AntiVirusTrojan ( 0055dd191 )
BitDefenderGen:Variant.Zusy.121726
K7GWTrojan ( 0055dd191 )
Cybereasonmalicious.8ce926
BitDefenderThetaGen:NN.ZexaF.34582.xqZ@aidcoGj
VirITTrojan.Win32.Crypt_s.HUS
CyrenW32/S-fae91196!Eldorado
SymantecRansom.Kovter
tehtrisGeneric.Malware
ESET-NOD32Win32/Kovter.A
APEXMalicious
ClamAVWin.Trojan.Jaik-9753951-0
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Kovter.dlpwuz
RisingTrojan.Generic@AI.85 (RDML:HvkK2QO537TpPMKFrl7B9Q)
Ad-AwareGen:Variant.Zusy.121726
SophosML/PE-A
ComodoTrojWare.Win32.Spy.Zbot.AKH@5iwr2o
DrWebTrojan.Kovter.15
ZillyaTrojan.Inject.Win32.158587
TrendMicroTSPY_KOVTER.SMA
McAfee-GW-EditionTrojan-FFMY!420798A8CE92
Trapminesuspicious.low.ml.score
EmsisoftGen:Variant.Zusy.121726 (B)
IkarusTrojan.Win32.Kovter
GDataGen:Variant.Zusy.121726
JiangminTrojan/Inject.avqg
WebrootW32.Rogue.Gen
AviraHEUR/AGEN.1222605
MAXmalware (ai score=81)
Antiy-AVLTrojan/Generic.ASMalwS.330C
ArcabitTrojan.Zusy.D1DB7E
SUPERAntiSpywareTrojan.Agent/Gen-Kovter
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojan:Win32/Kovter.E
CynetMalicious (score: 99)
AhnLab-V3Trojan/Win32.MDA.R131385
McAfeeTrojan-FFMY!420798A8CE92
VBA32Trojan.Inject
MalwarebytesMalware.AI.3789368035
PandaTrj/Genetic.gen
TrendMicro-HouseCallTSPY_KOVTER.SMA
TencentMalware.Win32.Gencirc.10c2c179
YandexTrojan.GenAsa!UkNTl32dya0
SentinelOneStatic AI – Suspicious PE
FortinetW32/Kryptik.EUMB!tr
AVGWin32:GenMalicious-BIN [Trj]
AvastWin32:GenMalicious-BIN [Trj]
CrowdStrikewin/malicious_confidence_90% (W)

How to remove Trojan:Win32/Kovter.E?

Trojan:Win32/Kovter.E malware is incredibly hard to erase manually. It places its data in multiple places throughout the disk, and can get back itself from one of the elements. Moreover, a range of modifications in the windows registry, networking settings and also Group Policies are really hard to locate and revert to the initial. It is much better to use a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for virus removal reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. In addition, it does not have such bugs and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for getting rid of malware of any form.

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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