File Spider ransomware – how to decrypt your data and delete this virus

FileSpider ransomware hits Balkan countries. It addresses its victims in the local languages demanding the ransom in bitcoins. The sum payable varies. In the cases observed, it did not exceed the threshold of USD 200.
Remarkably, the malware invasion also resorts to debt reclaiming. The crooks run a spam campaign. They circulate a debt letter titled “Potrazivanje dugovanja”, which translates as “Debt Collecting”. According to the message, the recipient is due to pay the debt. The message body indicates the alleged beneficiary. The amounts due are in the MS Word document attached.

File Spider Ransomware

File Spider Ransomware

Needless to say, the statement is a pure fraud. It is harmless unless you open the content attached. It is still damage-free unless and until your clicking Enable Edition and Enable Content Buttons in the MS Office security prompts activates the macro.
A running macro discharges and launches its PowerShell script, which, in its turn, connects to the websites according to its internal instructions. In the cases reviewed the PowerShell has connected to the followings nods:
http://yourjavascript.com/5118631477/javascript-dec-2-25-2.js
http://yourjavascript.com/53103201277/javascript-enc-1-0-9.js

The specified URL’s drop enc.exe and dec.exe.
enc.exe performs the preventive scan, encryption, and creates respective notifications and links for the user concerned, as well as a mark file for dec.exe.
The encryption makes use of AES-128 algorithm. The filenames get extra appendix, ‘spider’. Each folder containing the scrambled file also receives the ransom note.
dec.exe, as its name may suggests, deals with the follow-up to the malicious encryption, the decryption-for-ransom. It activates when detects the mark dropped by enc.exe. The mark is a file of the following path: %UserProfile%\AppData\Roaming\Spider\5p1d3r.
Dec.exe then launches the notifications and links created by enc.exe. This lands the users to a TOR site. They learn the ransomware has hacked their data for ransom. The amount due is payable in bitcoins. In the cases observed so far, the sum amounts to 0.00726 BTC. In a fiat currency, this is currently trading within 100 to 150 $.
The IT researches are examining File Spider ransomware to come up with the ultimate solution for ransom-free decryption. Meanwhile, the guidance below reviews the existing removal and recovery practices that hopefully enable the removal of the encryption caused by File Spider ransomware.

Automated cleanup to remove File Spider virus

1. Click the button to download the stub installer and go through several setup dialogs. Once the tool is up and running, click Start Computer Scan

2. Wait until the cleaner checks the PC for File Spider ransomware malicious code. As soon as the scan is completed, the report will list all malware objects spotted in the system. Make sure the entries for detected infections are checked, and select the Fix Threats feature. This will result in malware removal and system remediation, so you should now be good to go.

Restore the encrypted files

File Spider encryption is a sophisticated data modification. There is no simple and single solution to cover all the cases. Transferring the ransom as demanded by the crooks is not the way either.Kindly apply the methods outlined below as they have been carefully developed to provide a recovery help for the most severe cases of encrypting assaults.

Data recovery with automatic software

Good news is that the virus actually deals with copies of the files. The originals have been deleted. The removed data still can be restored by virtue of such tools as Data Recovery Pro.

Shadow Volume Copies

As Windows creates backups at given periods of time, a victim is advised to address relevant restore points. Unfortunately, the method cannot apply unless the System Restore had been enabled prior to the invasion. Please also note the recovery returns files as saved before the time associated with the restore point addressed.

  • Previous Versions dialog to target individual files
    One can open Properties for any file. The menu has a tab called Previous Versions. It indicates versions of a file that have been backed up.
    To make use of the feature, right-click an affected file and choose Properties in the drop-down list. Proceed with clicking the above-mentioned tab. You can opt between the Copy or Restore procedures, the former enabling to copy the item into the location specified by the user.

test properties

shadow explorer

Backups and removing remaining traces of ransomware

Prevention is the best cure. If you stick to making regular reserve copies of your data and store those outside your operating system, the impacts by the ransomware are very limited. However, prior to copying the data from backups into the system hit by File Spider ransomware, make sure the removal of this virus has completed.

Your manual removal attempts may kill the ransomware in general. In most of the cases, some remnants manage to survive and are still capable of causing a significant damage. Please apply a reliable anti-malware scanner to detect and remove, if applicable, any remaining infections.

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