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Siddhiup2@india.com Virus Remove and Decrypt .XTBL Files

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1Another ransomware virus belonging to the CrySiS (.XTBL) ransomware variants has been reported to encrypt user files by ESG malware researchers. The ransomware virus creates a malicious executable in the %SystemDrive% folder of Windows which is then used to encrypt a wide variety of file types on computers that have become victims of the ransomware. The Siddhiup2@india.com malware may then leave a ransom note which may notify users that they should either contact the e-mail address or make a ransom payoff in return for their files.

N.B: Decryptor has been released for the Shade(XTBL) ransomware variants. For more information and detailed instructions on how to decrypt your files, please check this article.

Threat Summary

Name

Siddhiup2@india.com

TypeRansomware
Short DescriptionPart of the “@” ransomware variants. Encrypts the files on the infected computer then asks for ransom money in email correspondences.
SymptomsThe user may witness his files to become corrupt with the questionable email and .xtbl as file extensions that are added.
Distribution MethodVia Exploit kits or downloader Trojans.
Detection Tool See If Your System Has Been Affected by Siddhiup2@india.com

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Malware Removal Tool

User ExperienceJoin our forum to Discuss Siddhiup2@india.com Ransomware.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Siddhiup2@india.com Ransomware – Distribution and Infection Methods

For it to be a successful investment, the cyber-criminals who control the Siddhiup2@india.com virus may focus on spreading the virus as a legitimate document on e-mail attachments. In addition to this, the Siddhiup2@india.com virus’s malicious payload attachment may also come in an obfuscated form in order to run successfully under the noses of any security software that may be installed on the victim’s computer.

Furthermore, the topics of the e-mails that have been sent by the cyber-criminals may vary, and they may resemble messages coming from legitimate organizations, like well-known online retailers, banks and other institutions the user may have accounts in.

Siddhiup2@india.com Virus – More Information About It

Once it has run on the victim’s computer, the Siddhiup2@india.com ransomware virus may drop the following file:

%SystemDrive%\Users\backup\AppData\Roaming\Siddhi.exe

After this is done the Siddhiup2@india.com virus may delete the volume shadow copies of the compromised machine via a batch command in administrative mode. The command is the following:

vssadmin delete shadows /for={Drive volume} /all /quiet

In addition to this, Siddhiup2@india.com Ransomware may also cause several different issues on the enciphered computer, like restart it and modify the Windows Registry Editor so that the computer runs automatically every time Windows starts. The targeted registry keys for that are the following:

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

The other method which the Siddhiup2@india.com virus may perform to make it’s malicious files run on system startup is dropped a shortcut or copies of the files it may run directly in the Windows startup folder:

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup

After it’s malicious executable file has been ran, the Siddhiup2 ransomware virus begins to scan for and encrypt a wide variety of file types:

.odc, .odm, .odp, .ods, .odt, .docm, .docx, .doc, .odb, .mp4, sql, .7z, .m4a, .rar, .wma, .gdb, .tax, .pkpass, .bc6, .bc7, .avi, .wmv, .csv, .d3dbsp, .zip, .sie, .sum, .ibank, .t13, .t12, .qdf, .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 Source: ESG

To encrypt user files, the Siddhiup2@india.com ransomware virus may use a strong AES encryption algorithm. The AES enciphering code that has been used by it produces a decryption key after the encoding process itself has been complete. This key may be encrypted via an RSA encryption, generating a private key that is then sent to the cyber-criminals, making them the only one in power to decipher these files.

Related Article: Ransomware Encryption Explained: Why Is It So Effective?


The files that have been encrypted by Siddhiup2@india.com may look like the following:

encrypted-file-siddhiup2@india.com-sensorstechforum

Siddhiup2@india.com and Decrypt .Xtbl Encrypted Files

To remove this, virus, it is strongly advisable to use an advanced anti-malware program since it will make sure to identify all of the objects that are associated with the Siddhiup2@india.com threat. Another way to do this is if you follow the step-by-step removal instructions which we have posted below. They will make sure that you will remove the Siddhiup2@india.com permanently from your computer and protect your data from any threats of this and other types in the future as well.

To learn how to decrypt your files, please check step “3. Restore files encrypted by Siddhiup2@india.com” below.

Avatar

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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