In this article, I am going to detail how the Koobface trojan infused into your computer, and also the best way to delete Koobface trojan virus.
What is Koobface trojan?
Name | Koobface |
Infection Type | Trojan |
Symptoms |
|
Similar behavior | Fapack, Seheq, Audhi, Risepro, MakeExt, Slanret |
Fix Tool | See If Your System Has Been Affected by Koobface trojan |
Trojan viruses are one of the leading malware kinds by its injection rate for quite a very long time. And now, during the pandemic, when malware became extremely active, trojan viruses increased their activity, too. You can see a number of messages on diverse resources, where people are whining about the Koobface trojan virus in their computer systems, and asking for aid with Koobface trojan virus removal.
Trojan Koobface is a type of virus that infiltrates into your system, and then performs various malicious functions. These functions depend upon a sort of Koobface trojan: it may serve as a downloader for additional malware or as a launcher for another destructive program which is downloaded in addition to the Koobface trojan. Throughout the last two years, trojans are likewise dispersed via email attachments, and most of cases used for phishing or ransomware infiltration.
Koobface2 also known as
Bkav | W32.AIDetectMalware |
Lionic | Worm.Win32.Koobface.p!c |
MicroWorld-eScan | Gen:Variant.Ransom.Nemty.17 |
FireEye | Generic.mg.18812d503dee9acc |
Skyhigh | GenericRXKI-GC!68AD72DFBF91 |
ALYac | Gen:Variant.Ransom.Nemty.17 |
Cylance | unsafe |
Zillya | Worm.Koobface.Win32.6766 |
Sangfor | Trojan.Win32.Save.a |
K7AntiVirus | Riskware ( 0040eff71 ) |
Alibaba | Worm:Win32/Koobface.ae347505 |
K7GW | Riskware ( 0040eff71 ) |
Cybereason | malicious.03dee9 |
BitDefenderTheta | AI:Packer.DB2C6E951F |
Symantec | ML.Attribute.HighConfidence |
Elastic | malicious (moderate confidence) |
ESET-NOD32 | a variant of Win32/Spammer.Agent.J |
APEX | Malicious |
TrendMicro-HouseCall | TROJ_KOOBFACE_000000c.TOMA |
ClamAV | Win.Worm.Koobface-365 |
Kaspersky | Net-Worm.Win32.Koobface.babd |
BitDefender | Gen:Variant.Ransom.Nemty.17 |
NANO-Antivirus | Trojan.Win32.Koobface.kxzvx |
Avast | Win32:Downloader-GQF [Trj] |
Tencent | Malware.Win32.Gencirc.13c1b5fd |
Emsisoft | Gen:Variant.Ransom.Nemty.17 (B) |
F-Secure | Trojan.TR/Spy.Gen |
DrWeb | Win32.HLLW.Facebook.989 |
VIPRE | Gen:Variant.Ransom.Nemty.17 |
TrendMicro | TROJ_KOOBFACE_000000c.TOMA |
Trapmine | malicious.high.ml.score |
Sophos | Mal/Generic-S |
SentinelOne | Static AI – Malicious PE |
Jiangmin | Worm/Koobface.bof |
Detected | |
Avira | TR/Spy.Gen |
Varist | W32/Koobface.R.gen!Eldorado |
Antiy-AVL | Worm[Net]/Win32.Koobface |
Kingsoft | Win32.Troj.Undef.a |
Microsoft | Trojan:Win32/Koobface.K |
Xcitium | TrojWare.Win32.Agent.tmbl@3z144o |
Arcabit | Trojan.Ransom.Nemty.17 |
ViRobot | Worm.Win32.A.Net-Koobface.57864.A[UPX] |
ZoneAlarm | Net-Worm.Win32.Koobface.babd |
GData | Gen:Variant.Ransom.Nemty.17 |
Cynet | Malicious (score: 100) |
AhnLab-V3 | Trojan/Win32.Jorik.R4582 |
McAfee | Artemis!18812D503DEE |
MAX | malware (ai score=100) |
VBA32 | BScope.Worm.Koobface |
Panda | Trj/Genetic.gen |
Rising | Trojan.Koobface!8.CD6 (TFE:5:1oO4FbbcIeP) |
Yandex | Worm.Koobface!uqicOsPUL/c |
Ikarus | Trojan.Win32.Jorik |
MaxSecure | Trojan.Malware.2076871.susgen |
Fortinet | W32/KoobFace.IED!tr |
AVG | Win32:Downloader-GQF [Trj] |
DeepInstinct | MALICIOUS |
CrowdStrike | win/malicious_confidence_100% (W) |
alibabacloud | Worm[net]:Win/Koobface.babd |
What are the symptoms of Koobface trojan?
- Sample contains Overlay data;
- Unconventionial binary language: Russian;
- Unconventionial language used in binary resources: Russian;
- The binary contains an unknown PE section name indicative of packing;
- The binary likely contains encrypted or compressed data.;
- The executable is compressed using UPX;
- Authenticode signature is invalid;
- Yara detections observed in process dumps, payloads or dropped files;
The usual sign of the Koobface trojan virus is a progressive entrance of various malware – adware, browser hijackers, and so on. Due to the activity of these destructive programs, your PC comes to be really slow: malware uses up substantial quantities of RAM and CPU abilities.
One more noticeable effect of the Koobface trojan virus presence is unknown processes showed in task manager. Often, these processes may attempt to imitate system processes, but you can recognize that they are not legit by looking at the origin of these tasks. Pseudo system applications and Koobface trojan’s processes are always specified as a user’s tasks, not as a system’s.
How to remove Koobface trojan virus?
- Download and install Loaris Trojan Remover.
- Open Loaris and perform a “Standard scan“.
- “Move to quarantine” all items.
- Open “Tools” tab – Press “Reset Browser Settings“.
- Approve the reset pressing “Yes” button in the appeared window.
- Restart your computer.
To remove Koobface trojan and also be sure that all additional malware, downloaded with the help of this trojan, will certainly be wiped out, as well, I’d recommend you to use Loaris Trojan Remover.
Koobface removal guide
To spot and remove all viruses on your personal computer using Loaris, it’s better to make use of Standard or Full scan. Removable scan, as well as Custom, will check only specified directories, so such types of scans are not able to provide the full information.
You can spectate the detects during the scan process goes. However, to execute any actions against detected malware, you need to wait until the scan is finished, or to stop the scan.
To choose the special action for each detected malicious programs, choose the knob in front of the name of detected viruses. By default, all malicious programs will be moved to quarantine.
How to remove Koobface Trojan?
Name: Koobface
Description: Trojan Koobface is a kind of virus that infiltrates into your computer, and after that performs different destructive functions. These features depend upon a type of Koobface trojan: it can act as a downloader for many other malware or as a launcher for another destructive program which is downloaded in addition to the Koobface trojan. During the last two years, trojans are also dispersed via e-mail attachments, and most of situations utilized for phishing or ransomware infiltration.
Operating System: Windows
Application Category: Trojan
User Review
( votes)- What is Trojan Horse: https://en.wikipedia.org/wiki/Trojan_horse_(computing)
- Koobface VirusTotal Report: https://www.virustotal.com/api/v3/files/032a8e35be5406d2b61287ad40a91eb5aa6178f36da9a432ee2a3528fd953e7d