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Security News
Malicious PDF files making the rounds
Tue, 15 December 2009
Emails with malicious PDF documents get spammed currently – Avira protects the users
Tettnang, 15 December 2009 – Currently malicious PDF documents find their way into the mailboxes of internet users. They abuse a new security hole in Adobe Reader and Acrobat to infect the computer with malware.
Adobe is investigating the yet unknown security vulnerability. Avira users are already protected though: The antimalware solutions from the german IT security company detect the malicious PDF files generically without updates as HTML/Malicious.PDF.Gen.
When opened with the vulnerable Adobe programs, the PDF file injects code which downloads further malware. The embedded JavaScript in the document checks if the version of Adobe Reader is 8 or higher.
The trojan that Avira detects as TR/Drop.Agent.DT with VDF version 7.10.01.243 gets stored as "winver32.exe" in the windows directory. It downloads 3 malicious files which Avira detect as BDS/Ientlcp.A, TR/Agent.faa and TR/Agent.HO. Until Adobe releases Updates for Reader and Acrobat, users should be careful and don't open PDF documents which they receive unexpectedly.
About Avira
Avira is a leading global provider of IT security solutions for professional and private use. With over twenty years of experience, the company is one of the pioneers in this field. As a foundation member of the initiative “IT Security made in Germany” (ITSMIG e.V.), Avira guarantees that it provides IT security products with no backdoors.
The German IT security expert is headquartered in Tettnang near Lake Constance and maintains several subsidiaries worldwide. Avira employs approximately 300 staff and makes a significant contribution towards the security of millions of private users through its free virus protection, Avira AntiVir Personal.
Domestic and international customers include well-known companies listed on global stock exchanges, educational establishments and government authorities. In addition to protecting the virtual environment, Avira promotes the Auerbach Foundation for greater protection and security in the real world. The Auerbach Foundation supports charitable and social projects, as well as art, culture and science.
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