KB225571.exe is a Trojan that masquerades as a security update from Microsoft. KB225571.exe is usually propagated through spam emails. KB225571.exe's email reads:
Subject: Security Update for OS Microsoft Windows
Dear Microsoft Customer,
Please notice that Microsoft company has recently issued a Security Update for OS Microsoft Windows. The update applies to the following OS versions: Microsoft Windows 98, Microsoft Windows 2000, Microsoft Windows Millenium, Microsoft Windows XP, Microsoft Windows Vista.
Please notice, that present update applies to high-priority updates category. In order to help protect your computer against security threats and performance problems, we strongly recommend you to install this update.
Since public distribution of this Update through the official website http://www.microsoft.com would have result in efficient creation of a malicious software, we made a decision to issue an experimental private version of an update for all Microsoft Windows OS users.
As your computer is set to receive notifications when new updates are available, you have received this notice.
In order to start the update, please follow the step-by-step instruction:
1. Run the file, that you have received along with this message.
2. Carefully follow all the instructions you see on the screen.
If nothing changes after you have run the file, probably in the settings of your OS you have an indication to run all the updates at a background routine. In that case, at this point the upgrade of your OS will be finished.
We apologize for any inconvenience this back order may be causing you.
Director of Security Assurance
--BEGIN PGP SIGNATURE--
Version: PGP 7.1
2C14FEWOPIXHKE2TKW0Y67PT24VGEJQXDW7OG32QN8O9RQFM8NZJCJ3IHU4RNMH68 K5XVCU4DSR4U1O02I6P359WMXY57YN7EOS92HP45DJ3OUS6PNT39UAD096VJFHS1D G8OUTM7IJRX488C2FVQCGW24FA4FCS87GS40TPRSA7JH2EQVOKGQZ88E4VIFOM24T L6PYLW6IQ8U8M1J2OPGRLWMJ0PGPT6QJXB15MSY3AIHB1CB1NM5I2MT2A5W6Q97K5
--END PGP SIGNATURE--
If you innocently open KB225571.exe thinking it is a security update, you'll be launching a Trojan that will allow a remote hacker to take control over your computer. To be safe, never open an email attachment from a sender that you don't know or trust.
File System Modifications
- The following files were created in the system:
# File Name 1 DVBN756512.exe 2 KB225571.exe
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