Scantime after Archive support module version: 1080

Hi,

I noticed today on my system an huge increase of the scantime after the update of Archive support module version 1080.

System : XP home SP3, Dutch.
NOD32 version 2.70.39, English.

Usually I do a full scan at least once a day, mostly more than that.

Today I noticed that the scantime was increased from about 27 minutes to 72 minutes.
I couldn't believe what happened, so I just did run a full scan again: again about 72 minutes.

I think that in particular the scanning of installation files is taken much more time, and the .bin files inside of them.

What is happening here ?


NOD32 antivirus system information
Virus signature database version: 3827 (20090204)
Dated: woensdag 4 februari 2009
Virus signature database build: 14996

Information on other scanner support parts
Advanced heuristics module version: 1085 (20090120)
Advanced heuristics module build: 1192
Internet filter version: 1.002 (2004070
Internet filter build: 1013
Archive support module version: 1080 (20090204)
Archive support module build version: 1222

Information about installed components
NOD32 For Windows NT/2000/XP/2003/Vista/x64 - Base
Version: 2.70.39
NOD32 For Windows NT/2000/XP/2003/Vista/x64 - Internet support
Version: 2.70.39
NOD32 for Windows NT/2000/XP/2003/Vista/x64 - Standard component
Version: 2.70.39

Operating system information
Platform: Microsoft Windows XP
Version: 5.1.2600 Service Pack 3
Version of common control components: 5.82.2900
RAM: 512 MB
Processor: Intel(R) Pentium(R) 4 CPU 3.00GHz (3014 MHz)

 

Virus signature database: 3828 (20090205)
Update module: 1026 (20081114)
Antivirus and antispyware scanner module: 1179 (20090204)
Advanced heuristics module: 1087 (20090205)
Archive support module: 1089 (20090204)
Cleaner module: 1037 (20081209)
Anti-Stealth support module: 1007 (20081107)
Personal firewall module: 1044 (20090121)
Antispam module: 1011 (20090114)
System status module: 1200 (20080904)
Self-defense support module : 1005 (20081105)

 

Hi proactivelover,

Sorry, maybe my fault, but I don't understand your reply.
What exactly do you mean, and how is it an answer to my question?

 

i want to say that install v3 or v4beta and see

 

The latest archive module added support for a new kind of installers so with archives enabled a scan will take more time, depending on how many such installers are scanned.

 

v2 has different module information to v3.

 

Thank you Marcos for explaining it !

I took a closer look at the scanner-logs, one recently with the new archive module and another older one before the new archive module.

A few examples:

I see with the new archive module warnings on older install files for SiSoft Sandra, for example:
D:\SiSoft Sandra\Version XI SP4 1-July-2007\sanproXI.SP4-1142-JOK.exe »INNO - unsupported option
With the previous archive module I didn't get that warning.
I have now deleted those older install files (no use for them anymore).

Install file for Outpost Pro Version 6_5_2358_316_0607:
D:\Outpost Pro\Version 6_5_2358_316_0607\OutpostProInstall.exe »INNO »setup.data - error - unknown compression method

Install file for older version of The Cleaner:
D:\The Cleaner\Version 4_2 build 4319\cleaner42.exe »INNO »file0002.bin »ZIP »cleaner4.dbt - error - password-protected file

 

Woohoo, I'm back at my usual scantime of about 27 minutes

I guess that the reason is the newer archive module 1081 (20090205)

Thanks ESET !