TrojanProxy:Win32/Koobface!A

What is TrojanProxy:Win32/Koobface!A infection?

In this short article you will certainly discover regarding the definition of TrojanProxy:Win32/Koobface!A and its negative effect on your computer. Such ransomware are a form of malware that is specified by online scams to require paying the ransom by a victim.

In the majority of the instances, TrojanProxy:Win32/Koobface!A infection will certainly advise its victims to start funds move for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the target’s device.

TrojanProxy:Win32/Koobface!A Summary

These adjustments can be as complies with:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • Starts servers listening on 0.0.0.0:7171;
  • Drops a binary and executes it;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the victim’s hard drive — so the target can no longer make use of the information;
  • Preventing regular accessibility to the victim’s workstation;

Related domains:

zz-dns.com Ransom:Win32/PornoAsset.645c6b9f
yy-dns.com Ransom:Win32/PornoAsset.645c6b9f

TrojanProxy:Win32/Koobface!A

One of the most normal networks where TrojanProxy:Win32/Koobface!A Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a resource that hosts a harmful software program;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s computer or protect against the tool from working in a correct way – while also putting a ransom note that points out the need for the sufferers to effect the payment for the objective of decrypting the documents or bring back the file system back to the preliminary problem. In most instances, the ransom money note will turn up when the client reboots the COMPUTER after the system has actually already been harmed.

TrojanProxy:Win32/Koobface!A distribution networks.

In various corners of the globe, TrojanProxy:Win32/Koobface!A grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom money quantity may differ depending on particular neighborhood (local) setups. The ransom money notes as well as methods of obtaining the ransom amount may differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s device. The alert after that requires the user to pay the ransom.

    Faulty statements about unlawful content.

    In countries where software application piracy is less popular, this method is not as effective for the cyber scams. Conversely, the TrojanProxy:Win32/Koobface!A popup alert may incorrectly claim to be deriving from a law enforcement establishment and also will certainly report having situated kid porn or various other prohibited information on the device.

    TrojanProxy:Win32/Koobface!A popup alert may falsely claim to be acquiring from a regulation enforcement establishment as well as will report having located child pornography or various other unlawful information on the tool. The alert will similarly have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: A9FD468Emd5: c79c5bf537e76d343e76bb5968ad9f3dname: C79C5BF537E76D343E76BB5968AD9F3D.mlwsha1: bd436d35612e6f197f5c10a29996c897d2f76413sha256: 42b4517875860e2b88c3479258386b17069dc45f1b1d7bb209299c992317273dsha512: c8a08325a99ea7e4b1cd8e7fad6e423b05e76eecede76d9c35d96a5fdd21421b4e49451f15320e4bfef82fa6192dd734cc702a1fcfd0ddaf2380d41ee2419846ssdeep: 384:uVV87JSrakdmY0IIVwRu5Zxif00bd1h6rlBKyGUrG6dYRRTTF:uVWaduwRu5s00wrxGUrG6+RRTTFtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanProxy:Win32/Koobface!A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 000906541 )
Elastic malicious (high confidence)
DrWeb Trojan.Proxy.10557
Cynet Malicious (score: 100)
McAfee Artemis!C79C5BF537E7
Cylance Unsafe
Zillya Trojan.Tinxy.Win32.109
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/PornoAsset.645c6b9f
K7GW Trojan ( 000906541 )
Cybereason malicious.537e76
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Tinxy.AD
APEX Malicious
Avast Win32:Agent-AFAZ [Trj]
ClamAV Win.Worm.Koobface-27
Kaspersky Trojan-Ransom.Win32.PornoAsset.cvew
BitDefender Gen:Variant.Ransom.Converton.8
NANO-Antivirus Trojan.Win32.BHO.ecivph
MicroWorld-eScan Gen:Variant.Ransom.Converton.8
Tencent Win32.Trojan.Pornoasset.Szlk
Ad-Aware Gen:Variant.Ransom.Converton.8
Sophos Mal/Generic-R + Mal/Behav-150
BitDefenderTheta AI:Packer.2910A0A51E
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Koob-3
McAfee-GW-Edition BehavesLike.Win32.KeylogSCLog.mh
FireEye Generic.mg.c79c5bf537e76d34
Emsisoft Gen:Variant.Ransom.Converton.8 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.PornoAsset.epj
Avira TR/BHO.Gen
Antiy-AVL Trojan/Generic.ASMalwS.189E798
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft TrojanProxy:Win32/Koobface.gen!A
AegisLab Trojan.Win32.PornoAsset.j!c
GData Gen:Variant.Ransom.Converton.8
AhnLab-V3 Malware/Win32.RL_Generic.R328466
Acronis suspicious
VBA32 Hoax.PornoAsset
MAX malware (ai score=100)
Panda Trj/Genetic.gen
TrendMicro-HouseCall Mal_Koob-3
Rising Trojan.Tinxy!1.685E (CLASSIC)
Ikarus Win32.Worm.Koobface
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Tinxy.AD!tr
AVG Win32:Agent-AFAZ [Trj]
Paloalto generic.ml

How to remove TrojanProxy:Win32/Koobface!A virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove TrojanProxy:Win32/Koobface!A you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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