What is Osiris.dll? Should I remove it?

by Julie Splinters - -

What does Osiris.dll stand for?

Osiris.dll file is the harbinger of the menacing Osiris ransomware. This virus belongs to Locky group of infections. It is the latest variation following .aesir, .zzzzz file viruses. This time, the crooks looked for the inspiration in the Egyptian mythology as they named their virus after the god of the dead – Osiris malware. Following the tradition of previous viruses, the current virtual menace prefers executing its activity through .dll command. Since the peculiarities of .dll (Dynamic-Link Library). Allow better communication and interrelation among several programs and apps simultaneously. What is more, it encompasses less space than ordinary .exe files. Likewise, the implementation of this file only strengthened the force of the malware. Let us briefly go through the operation of this malicious files to obtain a better understanding of how to prevent the malware.

How does the ransomware work?

In comparison with other ransomware giants, Locky has been evolving at lightning speed. The key strengths of the malware happen to be the employment of AES and RSA encryption algorithms which encode the files with a complex set of numeric ciphers. Likewise, decoding the files without having a decryption tool remains a challenge. Secondly, the current version of the cyber infection grants more flexibility to the malware. Specifically, .dll helps communicate several programs at the time. Specifically, Osiris ransomware starts its operation when VBA macro is enabled. The very threat tries to invade computers via corrupted spam emails. Due to subscriptions to multiple domains, the amount of spam gets uncontrolled. Note that some of them might contain Osiris malware within.

When it succeeds in infiltrating the system, a .dll installation file is downloaded. Interestingly, that the downloaded content will not have .dll file extension but in fact will be disguised as .spe. In order for the file to accomplish its mission, it will use Rundll32.exe system file integrated into Windows operating system. Furthermore, the main files of Locky are downloaded. When the process is complete, the malware starts looking for any potentially important files and encode them.

Getting rid of Osiris virus and osiris.dll

Ransomware is certainly bad news for any users, companies or ordinary netizens. The attack of Osiris might spark long-lasting effects on the business or private online activity. You can eliminate the threat by scanning your device with a security tool such as Reimage. Speaking of the .dll file, you can delete it manually. However, it will not remove the ransomware completely. Note that Osiris removal does not decode the files.

verdict - status of the file:
dangerous file
Advice: If your computer seems sluggish, or you are suffering from unwanted advertisements and redirects to unknown websites, we highly recommend you to scan it with reputable anti-spyware program. Do some FREE scan tests and check the system for unwanted applications that might be responsible for these problems.
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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is a recommended tool to scan your system for possible threats and crappy software. The trial version of the product will find harmful applications in your system.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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