All the files were encrypted with .nzelfki extension, after a user opened an email attachment. The e-mail attachment was from an unknown source. All major files kept on the infected machine, such as MS Office documents, photos, videos, .pdf and .txt files were encrypted with the said extension. Consequently, it left a TXT file to tell what had happened to her files. The displayed message asked the victim user to pay around $500 to buy the decryption key. The message also warned her that all her files will be lost forever if she do not pay the money within 24 hours. She tried to recover files from volume shadow copies but that didn’t work. Besides, she also tried some manual methods to remove and uninstall .nzelfki extension, including accessing control panel and system startup settings, but all were in vain.
The above real scenario is nature and style of .nzelfki extension, that is a ransomware category of viruses. A cyber security group has told that this is upgraded from the infamous ransomwares such as TeslaCrypt, RSA-4096 and email@example.com and it can inject other weird extensions too, like .vvv. .ccc, .1999 and .xrtn etc. The phishing or spam e-mails are the chief infiltration source of such dreaded threats like .nzelfki extension, that is also in case of Trojan viruses. According to a quiz conducted by Intel Security in April this year showed that 97 percent of people globally were unable to correctly identify phishing emails. Top-rung executives are very vulnerable. One, they get more important emails; two, due to paucity of time they spend pay less attention and time on each mail.
However, there is no guarantee that the infected user will get the key to recover the file and it is possible that .nzelfki extension make the permanent inaccessibility on the encrypted file.
.nzelfki extension Will Have Following Consequences On The Infected PC:
Firstly, it will go deep into the attacked system and modify registry level settings.
Consequently, it will encrypt all files completely and leaves a ransom message, demanding the money.
The cyber criminals may access the confidential and sensitive online credential if the user proceeds to make online payment.
More threats will be infiltrated into the affected PC and hackers will be able to remotely access the infected PC.
The entire system will be locked and everything will be disabled.
How can .nzelfki extension Enter Into A PC
Phishing or spam e-mail attachments are the main source of infiltration of this ransomware virus.
The ransomware may come infiltrate into the PC, when the user unconsciously or unsafely browse over the Internet, like the user may get unsafe links of browser update or software update and other adwares clicking over which will enable the malicious codes of this ransomware to get inside the PC.
Many times the user makes freeware downloads over the Internet. The malicious codes associated with the ransomware is attached with those freeware programs and gets installed along-with the download of those free programs.
How To Remove .nzelfki extension From An Infected Computer System
Although the said ransomware virus can always be removed from an infected PC manually, it is hectic and be ineffective too. So it should must be removed by using automatic removal tool. However, let us have a glimpse on how it can be removed by manual removal process.
Manual Removal of .nzelfki extension
Step 1 – End .nzelfki extension with the help of Task Manager
1. Press “CTRL + ALT+ DEL” keys to open the Windows Task Manager
2. Click Processes then search for .nzelfki extension process and select End process.
Step 2 – Uninstall .nzelfki extension and other unwanted programs in control panel
1. Click start button and then select control panel
2. Click on “view by category”option and click uninstall a program
3. Select Add/Remove Programs
4. Check your program list and uninstall those program that are suspicious.
5. Disable all extensions related to .nzelfki extension
Step 3. Search and delete .nzelfki extension related registry files
1. Click Start and select the RUN command
2. Type “regedit” and press Enter to open Registry Editor.
3. Delete the files that are related to .nzelfki extension
Automatic Removal of .nzelfki extension
Following are the steps to remove .nzelfki extension by using this automatic removal tool:
Step 1- First download and install .nzelfki extension Removal tool, now select Scan Computer to initiate the scanning process. It will scan memory, registry entries, files and cookies. One can select custom scan to scan specific files.
Step 2- Once the scanning process is completed .nzelfki extension and related threats Found:, list of threats including .nzelfki extension and related threats Found: will be detected.
Step 3- Spyware HelpDesk: It is one of the best feature that makes this tool much more better than conventional security program. One can easily contact our support desk 24X7 for any help related .nzelfki extension and. But it is only applicable with licensed version of the program.
Step 4- System Guard: It will protect against .nzelfki extension and related threats as well as other malicious threats in future. This in-built special features can block infected process from being executed.
Step 5- Network Sentry: It will give full control on system and its settings. It helps to prevent .nzelfki extension from modifying your Internet and its DNS settings. Thus your computer will be protected from getting redirected to malicious website.
Step 6- Scan Scheduler: It is able preset a defined time through which your computer can undergo complete scan. One can select for any day of the week or month for scheduling the scan for but PC must be turned on.