In this message, I am going to describe the way the Sirefef trojan infused right into your system, as well as how to remove Sirefef trojan virus.
What is Sirefef trojan?
| Name | Sirefef |
| Infection Type | Trojan |
| Symptoms |
|
| Similar behavior | Ficongur, Keygen, Awkolo, Ransirac, Ramdo, Petya |
| Fix Tool |
See If Your System Has Been Affected by Sirefef trojan |
The name of this type of malware is a reference to a widely known legend regarding Trojan Horse, which was operated by Greeks to get in the city of Troy and win the battle. Like a fake horse that was made for trojans as a gift, Sirefef trojan virus is distributed like something legit, or, at least, helpful. Malicious applications are concealing inside of the Sirefef trojan virus, like Greeks within a big wooden dummy of a horse.1Trojan viruses are among the leading malware types by its injection frequency for quite a very long time. And now, throughout the pandemic, when malware got tremendously active, trojan viruses enhanced their activity, too. You can see a lot of messages on various websites, where users are grumbling about the Sirefef trojan virus in their computer systems, and requesting for assistance with Sirefef trojan virus removal.
Trojan Sirefef is a sort of virus that injects right into your computer, and then executes various harmful features. These functions depend on a sort of Sirefef trojan: it may function as a downloader for additional malware or as a launcher for another destructive program which is downloaded together with the Sirefef trojan. Throughout the last two years, trojans are likewise spread via email attachments, and most of situations used for phishing or ransomware injection.
Sirefef2 also known as
| Bkav | W32.AIDetect.malware1 |
| DrWeb | Trojan.Fogels.2 |
| Cynet | Malicious (score: 85) |
| ALYac | Gen:Variant.Delf.Crypt.2 |
| Cylance | Unsafe |
| Zillya | Trojan.Blocker.Win32.34490 |
| Sangfor | Trojan.Win32.Save.a |
| Alibaba | Ransom:Win32/Blocker.8b3ea32b |
| K7GW | RootKit ( 0044814a1 ) |
| K7AntiVirus | RootKit ( 0044814a1 ) |
| Cyren | W32/Trojan.XIQV-3843 |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of Win32/Injector.AMUC |
| Zoner | Trojan.Win32.19418 |
| APEX | Malicious |
| Avast | FileRepMalware |
| Kaspersky | Trojan-Ransom.Win32.Blocker.cgyd |
| BitDefender | Gen:Variant.Delf.Crypt.2 |
| NANO-Antivirus | Trojan.Win32.Blocker.ecjqft |
| MicroWorld-eScan | Gen:Variant.Delf.Crypt.2 |
| Tencent | Win32.Trojan.Blocker.Ljan |
| Ad-Aware | Gen:Variant.Delf.Crypt.2 |
| Sophos | Mal/Generic-S |
| BitDefenderTheta | Gen:NN.ZelphiF.34628.MH0@aO6ioKj |
| VIPRE | Trojan.Win32.Simda.ba (v) |
| McAfee-GW-Edition | GenericRXEN-TO!3479D0991BDB |
| FireEye | Generic.mg.3479d0991bdba337 |
| Emsisoft | Gen:Variant.Delf.Crypt.2 (B) |
| Jiangmin | Trojan/Blocker.gkr |
| Avira | HEUR/AGEN.1102458 |
| eGambit | Generic.Malware |
| Microsoft | Trojan:Win32/Sirefef.P |
| Arcabit | Trojan.Delf.Crypt.2 |
| AegisLab | Trojan.Win32.Blocker.j!c |
| GData | Gen:Variant.Delf.Crypt.2 |
| McAfee | GenericRXEN-TO!3479D0991BDB |
| MAX | malware (ai score=98) |
| VBA32 | TScope.Trojan.Delf |
| Malwarebytes | Malware.Heuristic.1006 |
| Panda | Trj/CI.A |
| Rising | Ransom.Blocker!8.12A (C64:YzY0Ojqmqq1NwPK0) |
| Yandex | Trojan.GenAsa!cPMAhSs9p0o |
| Ikarus | Virus.Win32.CeeInject |
| Fortinet | W32/Generic.AC.22F3AA!tr |
| AVG | FileRepMalware |
| Paloalto | generic.ml |
| Qihoo-360 | HEUR/QVM05.1.Malware.Gen |
What are the symptoms of Sirefef trojan?
- Executable code extraction;
- Injection (inter-process);
- Injection (Process Hollowing);
- Creates RWX memory;
- Detects Sandboxie through the presence of a library;
- Executed a process and injected code into it, probably while unpacking;
- Crashed cuckoomon during analysis. Report this error to the Github repo.;
- Anomalous binary characteristics;
The frequent sign of the Sirefef trojan virus is a progressive appearance of various malware – adware, browser hijackers, and so on. As a result of the activity of these malicious programs, your PC becomes really slow: malware absorbs substantial quantities of RAM and CPU abilities.
An additional detectable effect of the Sirefef trojan virus presence is unfamiliar processes displayed in task manager. Sometimes, these processes may try to mimic system processes, however, you can recognize that they are not legit by taking a look at the genesis of these processes. Pseudo system applications and Sirefef trojan’s processes are always listed as a user’s processes, not as a system’s.
How to remove Sirefef 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 eliminate Sirefef trojan and also be sure that all extra malware, downloaded with the help of this trojan, will certainly be wiped out, too, I’d advise you to use Loaris Trojan Remover.
Sirefef trojan virus is extremely difficult to wipe out by hand. Its pathways are pretty tough to track, as well as the modifications executed by the Sirefef trojan are concealed deeply inside of the system. So, the chance that you will make your system 100% clean of trojans is extremely low. And also do not forget about malware that has been downloaded and install with the help of the Sirefef trojan virus. I feel that these arguments are enough to ensure that removing the trojan virus by hand is a bad plan.
Sirefef removal guide
To detect and remove all malicious items on your personal computer using Loaris, it’s better to use Standard or Full scan. Removable scan, as well as Custom, will scan only specified folders, so these types of scans are not able to provide the full information.
You can observe the detects till the scan process goes. Nonetheless, to execute any actions against spotted malware, you need to wait until the scan is over, or to interrupt the scan.
To choose the special action for each detected malicious items, click the button in front of the detection name of detected malware. By default, all malicious programs will be moved to quarantine.
How to remove Sirefef Trojan?
Name: Sirefef
Description: Trojan Sirefef is a kind of virus that infiltrates into your computer, and after that performs different destructive functions. These features depend upon a type of Sirefef 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 Sirefef 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)
- Sirefef VirusTotal Report:
