TrojanProxy:Win32/Koobface!A
Emily Beck
Updated on February 23, 2026
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.
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 WindowsVersion 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?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for TrojanProxy:Win32/Koobface!A files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.
Click on “Clean Now”.
When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
Are Your Protected?
GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:
Full version of GridinSoft Anti-Malware
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
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
