TrojanProxy:Win32/Koobface!B
Daniel Foster
Updated on April 02, 2026
What is TrojanProxy:Win32/Koobface!B infection?
In this article you will certainly find about the interpretation of TrojanProxy:Win32/Koobface!B and its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on the internet scams to demand paying the ransom by a sufferer.
Most of the cases, TrojanProxy:Win32/Koobface!B infection will instruct its victims to launch funds move for the function of neutralizing the amendments that the Trojan infection has introduced to the target’s tool.
TrojanProxy:Win32/Koobface!B Summary
These adjustments can be as follows:
- A process attempted to delay the analysis task.;
- Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
- Uses Windows utilities for basic functionality;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Creates a copy of itself;
- Uses suspicious command line tools or Windows utilities;
- Ciphering the papers found on the target’s disk drive — so the victim can no more make use of the information;
- Preventing routine access to the sufferer’s workstation;
TrojanProxy:Win32/Koobface!B
One of the most common networks where TrojanProxy:Win32/Koobface!B are injected are:
- By methods of phishing emails;
- As an effect of individual ending up on a resource that holds a destructive software;
As soon as the Trojan is effectively injected, it will either cipher the information on the target’s computer or stop the gadget from working in an appropriate way – while likewise positioning a ransom note that points out the demand for the targets to impact the payment for the purpose of decrypting the documents or bring back the data system back to the preliminary condition. In many instances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been damaged.
TrojanProxy:Win32/Koobface!B distribution channels.
In different corners of the globe, TrojanProxy:Win32/Koobface!B grows by jumps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom money amount might vary depending upon specific neighborhood (local) settings. The ransom money notes and tricks of obtaining the ransom money quantity might vary depending on specific regional (regional) setups.
For instance:
Faulty signals regarding unlicensed software application.
In specific areas, the Trojans often wrongfully report having actually identified some unlicensed applications allowed on the target’s device. The sharp after that demands the individual to pay the ransom money.
Faulty declarations concerning illegal content.
In countries where software program piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the TrojanProxy:Win32/Koobface!B popup alert may falsely assert to be deriving from a law enforcement institution as well as will report having located youngster porn or various other prohibited information on the tool.
TrojanProxy:Win32/Koobface!B popup alert may falsely declare to be deriving from a law enforcement organization and will certainly report having situated child porn or other prohibited data on the gadget. The alert will similarly have a need for the customer to pay the ransom.
Technical details
File Info:
crc32: D0904B39md5: 815998fa680d7cf9759719c9ddaac435name: 815998FA680D7CF9759719C9DDAAC435.mlwsha1: 572c5eb27f69de1f4b71a4c7d379109c58087a94sha256: 7cc8717cf38b977d3b7e612901ab9e8099b23f9ef11e9198cc9034c5a162599asha512: 2e9cba4183a8c6dcdc67719b137f9305132451fcaaf3c1185afbc6d76ee20fd1679f2b84f0252bb84b1e73fdc85db70910b6743bffd0f2168080e34216e72511ssdeep: 384:+yEZtdbeQebac4E5MK7fjwaWzc6zdic59Pnib7ERMBG6WiWJKKcbjG6BVRRTTF:Csap2dE/zBic5Ub7r5Wi7bjG6fRRTTFtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
TrojanProxy:Win32/Koobface!B also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 000906541 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Proxy.5885 |
| Cynet | Malicious (score: 100) |
| ALYac | Gen:Variant.Ransom.Converton.8 |
| Cylance | Unsafe |
| Zillya | Trojan.Tinxy.Win32.102 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_80% (D) |
| Alibaba | Trojan:Win32/Tinxy.045272f8 |
| K7GW | Trojan ( 000906541 ) |
| Cybereason | malicious.a680d7 |
| ESET-NOD32 | a variant of Win32/Tinxy.AD |
| APEX | Malicious |
| TotalDefense | Win32/Koobface!generic |
| Avast | Win32:Malware-gen |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| BitDefender | Gen:Variant.Ransom.Converton.8 |
| NANO-Antivirus | Trojan.Win32.Scar.dxqafu |
| MicroWorld-eScan | Gen:Variant.Ransom.Converton.8 |
| Tencent | Win32.Trojan.Generic.Dxwj |
| Ad-Aware | Gen:Variant.Ransom.Converton.8 |
| Sophos | ML/PE-A + Mal/KoobHeur-A |
| Comodo | Malware@#15wjwo8hy60bb |
| BitDefenderTheta | Gen:NN.ZexaF.34608.bmW@aeSF9df |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | Mal_Koob-3 |
| McAfee-GW-Edition | Proxy-Agent.bl |
| FireEye | Generic.mg.815998fa680d7cf9 |
| Emsisoft | Gen:Variant.Ransom.Converton.8 (B) |
| Avira | TR/BHO.Gen |
| Kingsoft | Win32.Troj.Generic_a.a.(kcloud) |
| Microsoft | TrojanProxy:Win32/Koobface.gen!B |
| Arcabit | Trojan.Ransom.Converton.8 |
| GData | Gen:Variant.Ransom.Converton.8 |
| AhnLab-V3 | Malware/Win32.RL_Generic.R328466 |
| Acronis | suspicious |
| McAfee | Proxy-Agent.bl |
| MAX | malware (ai score=99) |
| VBA32 | TrojanProxy.Agent |
| Malwarebytes | Malware.Heuristic.1006 |
| Panda | Trj/Genetic.gen |
| TrendMicro-HouseCall | Mal_Koob-3 |
| Rising | Trojan.Tinxy!1.685E (CLOUD) |
| SentinelOne | Static AI – Suspicious PE |
| Fortinet | W32/Tinxy.AD!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Trojan.BHO.HwcBqiwA |
How to remove TrojanProxy:Win32/Koobface!B ransomware?
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!B 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!B you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
