X1881 Ransomware–Threat In Detail
X1881 ransomware belongs to the family of CryptoMix Ransomware that encrypts the files found on the victim’s PC and adds [32_random_characters].x1881 extension to it. The ransom note named as _HELP_INSTRUCTION.TXT that informs users that their files have been encrypted by X1881 ransomware and users are asked to respond quickly by the provided e-mail address. The ransom demanded by the authors to free the files is usually 0.5 Bitcoins to 1 Bitcoin. Security Experts doesn’t recommend you pay the fine. There is no guarantee that paying the ransom will give you access to your files. Remove X1881 immediately.
|Description||X1881 Ransomware encrypts files, videos, images and texts stored on the target PC and demand a ransom amount from users to decode the files.|
|Occurrence||spam mail attachments., exploit kits, malicious links and java script codes..|
|Possible Symptoms||The ransom note can be seen on desktop and other file directories and files could not be accessible.|
|Detection Tool||Download the Detection tool– To confirm attack of X1881 Ransomware virus on your computer.|
X1881 Ransomware is distributed through spam mail attachment as a malicious script containing the payloads of the malware which if executed by the user could install the threat onto the computer system. Many cyber-criminals uses spam techniques to trick users by heading the mail as any invoice or shipment. Other sources might include visiting infected websites containing java script codes, exploit kits and spam bots. As you open the document or click the link, the payloads of X1881 Ransomware gets downloaded on the system and installed without any user’s permission. If the user open/execute this file on their device, then the virus gets installed and your PC will become infected with X1881 file-encrypting Ransomware threat.
More about X1881 Ransomware
X1881 Ransomware is a file-encrypting program that searches for important files on the victim’s PC and renders them non-accessible to users. It uses AES-265 and RSA encryption method to encrypt the files with unique key by adding [32_random_characters].x1881 extension to it. This ensures that the user cannot decode the files and they have left with no other option than paying the ransom to the authors.
X1881 ransomware targets all versions of Windows including Windows 7, Windows 8.1 and Windows 10.
The ransomware changes the windows Registry entries to launch each time the window’s starts and takes up huge system resources to encrypt the files. X1881 Ransomware drops various executable files within %AppData% or %LocalAppData% folder. And then starts the encryption process which consumes lots of CPU resources. Thus you may notice the computer’s performance slowed down.
The files contains the ransom note _HELP_INSTRUCTION.TXT file that instructions for users on how to contact the authors of the ransomware and get their files back.
The ransom note by X1881 virus states that your documents has been encrypted and you need to pay a ransom in Bitcoins to get back your files. The ransom demands varies for the user and the victims should contact with the provided email address as soon as possible.
List of file extension encrypted
→.sql, .mp4, .7z, .rar, .m4a, .wma, .avi, .wmv, .csv, .d3dbsp, .zip, .sie, .sum, .ibank, .t13, .t12, .qdf, .gdb, .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, .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, .odt
X1881 Ransomware uses AES encryption algorithm to encrypt data and appends random extensions to it. The crypto-malware ensures that the user could be able to recover the files from shadow volume copies, so it deletes the files by executing the command
→vsX1881min.exe delete shadows /all /Quiet