How to remove Satan Ransomware and decrypt .stn files

What is Satan ransomware

Satan ransomware – is a malicious software, which infects users computers using e-mail attachments. After infecting Satan ransomware starts to encrypt files and to rename them with adding .stn file extansion (it uses AES-256 and RSA-2048 encrypting algorithm). To decrypt encrypted files, Satan developers offer user to use their own decryptor, information can be found in “HELP_DECRYPT_FILES.html” file, which is also created by ransomware after ending encrypting process. Don’t buy their decryptor software to restore your files, because developers couldn’t send decryptor. We highly recommend to remove Satan ransomware as fast as possible and then restore encrypted files manually.

remove Satan

There is a list of file types, which can be affected by Satan ransomware:

.sql, .mp4, .7z, .rar, .m4a, .wma, .avi, .wmv, .csv, .d3dbsp, .zip, .sie, .sum, .ibank, .t13, .t12, .qdf, .gdb, .sid, .ncf, .menu, .layout, .dmp, .blob, .esm, .vcf, .vtf, .dazip, .fpk, .mlx, .kf, .iwd, .vpk, .tor, .psk, .rim, .w3x, .fsh, .ntl, .arch00, .lvl, .snx, .cfr, .ff, .vpp_pc, .lrf, .m2, .mcmeta, .vfs0, .mpqge, .kdb, .db0, .dba, .rofl, .hkx, .bar, .upk, .das, .iwi, .litemod, .asset, .forge, .ltx, .bsa, .apk, .re4, .sav, .lbf, .slm, .bik, .epk, .rgss3a, .pak, .big, wallet, .wotreplay, .xxx, .desc, .py, .m3u, .flv, .js, .css, .rb, .png, .jpeg, .txt, .p7c, .p7b, .p12, .pfx, .pem, .crt, .cer, .der, .x3f, .srw, .pef, .ptx, .r3d, .rw2, .rwl, .raw, .raf, .orf, .nrw, .mrwref, .mef, .erf, .kdc, .dcr, .cr2, .crw, .bay, .sr2, .srf, .arw, .3fr, .dng, .jpe, .jpg, .cdr, .indd, .ai, .eps, .pdf, .pdd, .psd, .dbf, .mdf, .wb2, .rtf, .wpd, .dxg, .xf, .dwg, .pst, .accdb, .mdb, .pptm, .pptx, .ppt, .xlk, .xlsb, .xlsm, .xlsx, .xls, .wps, .docm, .docx, .doc, .odb, .odc, .odm, .odp, .ods, .tax, .pkpass, .bc6, .bc7, .bkp, .qic, .bkf, .sidn, .sidd, .mddata, .itl, .itdb, .icxs, .hvpl, .hplg, .hkdb, .mdbackup, .syncdb, .gho, .cas, .svg, .map, .wmo, .itm, .sb, .fos, .mov, .vdf, .ztmp, .sis, .odt

There are two solutions of this problem. One is to use special Removal Tool. Removal Tools delete all instances of malware by few clicks and help user to save time. Or you can use Manual Removal Guide. Manual Removal Guides help user to remove malware manually. This method needs time and knowledge at IT sphere.

Satan Removal Guide

  1. Download Satan Removal Tool.
  2. Remove Satan from Windows (7, 8, 8.1, Vista, XP, 10) or Mac OS (Run system in Safe Mode).
  3. How to Decrypt .stn files.
  4. How to restore system to previous “condition”.
  5. How to protect PC from future infections.

Satan Automated Removal Tools:

Download Norton Security

Use removal tool to uninstall Satan. Trial version of Malwarebytesdetects Satan ransomware and assists in its removal for FREE.

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Manual Satan Removal Guide

Below is step-by-step instructions to remove Satan from Windows and Mac computers. Follow this steps carefully and remove files and folders belonging to Satan. First of all, you will need to run system in a Safe Mode. Then find and remove needed files and folders.

Uninstall Satan from Windows or Mac

Windows 7/Vista:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to Satan by using Removal Tool;
  5. Delete found files;

Windows 8/8.1:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to Satan by using Removal Tool;
  5. Delete found files;

Windows 10:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to Satan by using Removal Tool;
  5. Delete found files;

Windows XP:

  1. Restart the computer;
  2. Press Settings button;
  3. Choose Safe Mode;
  4. Find programs or files potentially related to Satan by using Removal Tool;
  5. Delete found files;

Mac OS:

  1. Restart the computer;
  2. Press and Hold Shift button, before system will be loaded;
  3. Release Shift button, when Apple logo appears;
  4. Find programs or files potentially related to Satan by using Removal Tool;
  5. Delete found files;

How to decrypt .stn files

After Satan is removed, you want to decrypt your documents and files. There are different decrypting tools, that can help you.
After removing Satan, you can try to decrypt stn files. All you need is decrypting tool. There may be a trouble – not all files can be decrypted and restored, it is depends on ransomware.
One of those programs is Trend Micro Ransomware File Decryptor. This software decrypt a lot of types ransomware file formats. You don’t even need to find encrypted files, it will do anything by itself. You can download Trend Micro Ransomware File Decryptor here.
Download TrendMicro Decryptor

How to restore encrypted files

If you can’t remove and decrypt files or just don’t want to use those instructions, you can try to restore system from recovery point by using special tools: Previous Versions, System Restore, Shadow Explorer. Be sure, that you have saved recovery point, otherwise you can’t do anything with some tools.

Restore encrypted files using Shadow Explorer

Shadow Explorer – is good software with simple interface, that gives an access to “shadow copies”.

  1. Run the Shadow Explorer;
  2. Choose local disk, that contains needed files (sector 1 on picture);
  3. Choose time period, when files weren’t encrypted (sector 2 on picture);
  4. Find needed files and folders, after this right-click them and Press Export;
  5. Choose the export location and check files;

Restore encrypted files using Recuva

There is another program, that can help user to recover encrypted files. And this program is Recuva, software which friendly interface.

  1. Run the Recuva;
  2. Follow instructions and wait until scan process ends;
  3. Find needed files, mark them and Press Recover button;

How to prevent ransomware infection?

adware bundle offer 1Since Satan classified as ransomware, it needs a method to infiltrate into personal computer. And the most usable method is attaching to e-mail with messages, that provocate to open attached document.

adware bundle offer 2

Be careful while reading e-mail from unknown and suspicious users. Also, you can install various programs, which will stop any actions from suspicious applications, like ransomware. The most popular programs are:
HitmanPro.Alert with CryptoGuard, Malwarebytes Anti-Ransomware and CryptoPrevent. Those programs may detect many known ransomware and some unknown ransomware. It is recommended to use such programs for safety of your personal documents and files in future.

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