Eira
Summary
Eira is an email worm written in Visual Basic. Being run the worm shows a messagebox, then connects to MAPI-compatible email browser, reads email addresses from Address Book and sends itself to all these addresses.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
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Check for the latest database updates
First check if your F-Secure security program is using the latest updates, then try scanning the file again.
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Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
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Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
The infected message properties look like that:
Subject can contain one of the following:
Something very special I know you will like this Yes, something I can share with you Wait till you see this! A brand new game! I hope you enjoy it
Body can contain one of the following:
Hey you, take a look at the attached file. You won't believe your eyes when you open it! You like games like Quake? You will enjoy this one. Did you see the pictures of me and my battery operated boyfriend? My best friend, This is something you have to see! Till next time Is Internet that safe? Check it out
Attachment's name can be one of the following:
setup.exe honey.exe quake4demo.exe
The worm deletes sent infected messages.
The worm also installs itself to system by copying its file as setup.exe, honey.exe or quake4demo.exe to Windows folder and modifying startup keys in the Registry. The worm also copies itself as 'c:\eiram\quake4demo.exe' and 'f:\\quake4demo.exe' (if F: drive exists).
The worm can overwrite files with .OCX, .EXE, .XLS, .DOC, .MDB, .HTM, .HTML and .TXT extensions with the following text:
You've didn't protected your files well enough Let this be a lesson! Never trust someone else eiram 1999-2001
F-Secure Anti-Virus detects this worm with the latest updates. By the time of this description creation the worm was not found in the wild.
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