Threat Explorer

The Threat Explorer is a comprehensive resource consumers can turn to for daily, accurate, up-to-date information on the latest threats, risks and vulnerabilities.

AntiPascal.1101

AntiPascal.1101

Discovered:
16 May 2003
Updated:
13 February 2007
Systems Affected:
Windows

AntiPascal.1101 is a memory-resident, DOS file infector. The virus appends its viral code to both the .com and .exe files as they are run. Also, AntiPascal.1101 displays a message every time it infects a file.

There have been no reports of this virus in the wild.

Antivirus Protection Dates

  • Initial Rapid Release version 18 May 2003
  • Latest Rapid Release version 28 September 2010 revision 054
  • Initial Daily Certified version 18 May 2003
  • Latest Daily Certified version 28 September 2010 revision 036
  • Initial Weekly Certified release date 18 May 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.
  1. Update the virus definitions.
  2. Run a full system scan and delete all the files detected as AntiPascal.1101.

For specific details on each of these steps, read the following instructions.

1. Updating the virus definitions
Symantec Security Response fully tests all the virus definitions for quality assurance before they are posted to our servers. There are two ways to obtain the most recent virus definitions:
  • Running LiveUpdate, which is the easiest way to obtain virus definitions: These virus definitions are posted to the LiveUpdate servers once each week (usually on Wednesdays), unless there is a major virus outbreak. To determine whether definitions for this threat are available by LiveUpdate, refer to the Virus Definitions (LiveUpdate).
  • Downloading the definitions using the Intelligent Updater: The Intelligent Updater virus definitions are posted on U.S. business days (Monday through Friday). You should download the definitions from the Symantec Security Response Web site and manually install them. To determine whether definitions for this threat are available by the Intelligent Updater, refer to the Virus Definitions (Intelligent Updater).

    The Intelligent Updater virus definitions are available: Read "How to update virus definition files using the Intelligent Updater" for detailed instructions.

2. Scanning for and deleting the infected files
  1. Start your Symantec antivirus program and make sure that it is configured to scan all the files.
  2. Run a full system scan.
  3. If any files are detected as infected with AntiPascal.1101, click Delete.


Writeup By: Maryl Magee