Trojan:Win32/Foosace.C!rfn
Andrew White What is Trojan:Win32/Foosace.C!rfn infection?
In this article you will locate concerning the interpretation of Trojan:Win32/Foosace.C!rfn and its negative impact on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to require paying the ransom money by a sufferer.
In the majority of the cases, Trojan:Win32/Foosace.C!rfn infection will certainly instruct its victims to initiate funds move for the function of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.
Trojan:Win32/Foosace.C!rfn Summary
These modifications can be as follows:
- Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
- Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.
Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.
- Mimics the file times of a Windows system file;
- Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.The registry run keys perform the same action, and can be located in different locations:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
- Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the records located on the victim’s hard drive — so the sufferer can no longer utilize the data;
- Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Trojan:Win32/Foosace.C!rfn
The most typical networks where Trojan:Win32/Foosace.C!rfn Ransomware are infused are:
- By means of phishing emails;
- As a consequence of user ending up on a source that organizes a harmful software program;
As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or protect against the gadget from working in a correct way – while likewise placing a ransom note that discusses the need for the sufferers to impact the repayment for the purpose of decrypting the files or bring back the documents system back to the first condition. In the majority of instances, the ransom money note will come up when the client restarts the PC after the system has already been damaged.
Trojan:Win32/Foosace.C!rfn circulation channels.
In various edges of the world, Trojan:Win32/Foosace.C!rfn expands by leaps as well as bounds. However, the ransom notes and also methods of obtaining the ransom quantity might vary relying on particular regional (regional) settings. The ransom notes and also tricks of extorting the ransom money amount might vary depending on specific local (regional) setups.
For instance:
Faulty alerts regarding unlicensed software program.
In particular locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the victim’s device. The alert after that demands the customer to pay the ransom money.
Faulty statements about prohibited content.
In nations where software piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Additionally, the Trojan:Win32/Foosace.C!rfn popup alert might falsely claim to be originating from a law enforcement establishment and will certainly report having located kid porn or other prohibited information on the gadget.
Trojan:Win32/Foosace.C!rfn popup alert might incorrectly declare to be obtaining from a regulation enforcement establishment and will report having located child porn or other prohibited data on the gadget. The alert will in a similar way contain a need for the user to pay the ransom.
Technical details
File Info:
crc32: B42305A3md5: bcf7b88f26047932a32ead602f3e7c10name: BCF7B88F26047932A32EAD602F3E7C10.mlwsha1: dbfcd5f0080ef42f7c0de65a627507f57b812759sha256: 9145df9f436ff91fb3deef84d602ce12c4c9a6903df704c5920b5b5e44090dc2sha512: f67704136fc28fde5ba55d443c44946c3862f945d0c5485dac1404138272c0c354a5886a1aedfd2a3f07353e604cd820338f12500c1314583f1cec6922ceff58ssdeep: 768:aTYmwuTmKZAu10tissxgnfD+tdn6HS+nADkhzGinNhPGs1RVgUStu3Gy7l4:aTYmwuTLAxsmoDIADkhJTG+RVGu3NZtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Trojan:Win32/Foosace.C!rfn also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 0048e8611 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.PWS.Wsgame.38320 |
| Cynet | Malicious (score: 100) |
| CAT-QuickHeal | Trojan.Mauvaise.SL1 |
| ALYac | Gen:Variant.Graftor.519027 |
| Cylance | Unsafe |
| Zillya | Trojan.OnLineGames.Win32.152590 |
| Sangfor | Suspicious.Win32.Symmi.8470 |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Alibaba | Ransom:Win32/Blocker.0c0d3134 |
| K7GW | Trojan ( 0048e8611 ) |
| Cybereason | malicious.f26047 |
| Cyren | W32/Trojan.IBQV-1671 |
| Symantec | Infostealer.Sofacy |
| ESET-NOD32 | a variant of Win32/Sednit.C |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| Kaspersky | Trojan-Ransom.Win32.Blocker.lejc |
| BitDefender | Gen:Variant.Graftor.519027 |
| NANO-Antivirus | Trojan.Win32.Wsgame.fgvqsi |
| MicroWorld-eScan | Gen:Variant.Graftor.519027 |
| Tencent | Malware.Win32.Gencirc.114d381a |
| Ad-Aware | Gen:Variant.Graftor.519027 |
| Sophos | Mal/Generic-R + Troj/Sednit-U |
| Comodo | Malware@#3dhj7t8o4ei38 |
| BitDefenderTheta | Gen:NN.ZexaF.34678.dmZ@ayeWjSf |
| VIPRE | Trojan.Win32.Generic!BT |
| McAfee-GW-Edition | BehavesLike.Win32.Almanahe.qc |
| FireEye | Generic.mg.bcf7b88f26047932 |
| Emsisoft | Gen:Variant.Graftor.519027 (B) |
| Jiangmin | Trojan/Blocker.bkk |
| Avira | TR/Dropper.Gen |
| eGambit | Trojan.Generic |
| Microsoft | Trojan:Win32/Foosace.C!rfn |
| Arcabit | Trojan.Graftor.D7EB73 |
| AegisLab | Trojan.Win32.Blocker.j!c |
| ZoneAlarm | Trojan-Ransom.Win32.Blocker.lejc |
| GData | Gen:Variant.Graftor.519027 |
| AhnLab-V3 | Trojan/Win32.PcClient.R237841 |
| McAfee | PWS-FAGN!BCF7B88F2604 |
| MAX | malware (ai score=99) |
| VBA32 | TrojanRansom.Blocker |
| Malwarebytes | Trojan.ServStart |
| Panda | Trj/CI.A |
| Rising | Dropper.Generic!8.35E (CLOUD) |
| Ikarus | Trojan.Win32.FakeSysdef |
| Fortinet | W32/Blocker.LEJC!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Ransom.Blocker.HgAASSEA |
How to remove Trojan:Win32/Foosace.C!rfn 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 Trojan:Win32/Foosace.C!rfn 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 Trojan:Win32/Foosace.C!rfn you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
