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Malware Protection Test September 2022

Date September 2022
Language English
Last Revision October 11th 2022

File Detection Test with Execution including false alarm test


Release date 2022-10-14
Revision date 2022-10-11
Test Period September 2022
Number of Testcases 10019
Online with cloud connectivity checkbox-checked
Update allowed checkbox-checked
False Alarm Test included checkbox-checked
Platform/OS Microsoft Windows

Introduction

In the Malware Protection Test, malicious files are executed on the system. While in the Real-World Protection Test the vector is the web, in the Malware Protection Test the vectors can be e.g. network drives, USB or cover scenarios where the malware is already on the disk.

Please note that we do not recommend purchasing a product purely on the basis of one individual test or even one type of test. Rather, we would suggest that readers consult also our other recent test reports, and consider factors such as price, ease of use, compatibility and support. Installing a free trial version allows a program to be tested in everyday use before purchase.

In principle, home-user Internet security suites are included in this test. However, some vendors asked us to include their (free) antivirus security product instead.

Tested Products

Information about additional third-party engines/signatures used inside the products: G Data, Total Defense and VIPRE use the Bitdefender engine. TotalAV use the Avira engine. AVG is a rebranded version of Avast.

Test Procedure

The Malware Protection Test assesses a security program’s ability to protect a system against infection by malicious files before, during or after execution. The methodology used for each product tested is as follows. Prior to execution, all the test samples are subjected to on-access and on-demand scans by the security program, with each of these being done both offline and online. Any samples that have not been detected by any of these scans are then executed on the test system, with Internet/cloud access available, to allow e.g. behavioural detection features to come into play. If a product does not prevent or reverse all the changes made by a particular malware sample within a given time period, that test case is considered to be a miss. If the user is asked to decide whether a malware sample should be allowed to run, and in the case of the worst user decision system changes are observed, the test case is rated as “user-dependent”.

Detection vs. Protection

The File Detection Test we performed in previous years was a detection-only test. That is to say, it only tested the ability of security programs to detect a malicious program file before execution. This ability remains an important feature of an antivirus product, and is essential for anyone who e.g. wants to check that a file is harmless before forwarding it to friends, family or colleagues.

This Malware Protection Test checks not only the detection rates, but also the protection capabilities, i.e. the ability to prevent a malicious program from actually making any changes to the system. In some cases, an antivirus program may not recognise a malware sample when it is inactive, but will recognise it when it is running. Additionally, a number of AV products use behavioural detection to look for, and block, attempts by a program to carry out system changes typical of malware. Our Malware Protection Test measures the overall ability of security products to protect the system against malicious programs, whether before, during or after execution. It complements our Real-World Protection Test, which sources its malware samples from live URLs, allowing features such as URL blockers to come into play. Both tests include execution of any malware not detected by other features, thus allowing “last line of defence” features to come into play.

One of the significances of cloud detection mechanisms is this: Malware authors are constantly searching for new methods to bypass detection and security mechanisms. Using cloud detection enables vendors to detect and classify suspicious files in real-time to protect the user against currently unknown malware. Keeping some parts of the protection technology in the cloud prevents malware authors from adapting quickly to new detection rules.

Testcases

The test set used for this test consisted of 10,019 malware samples, assembled after consulting telemetry data with the aim of including recent, prevalent samples that are endangering users in the field. Malware variants were clustered, in order to build a more representative test-set (i.e. to avoid over-representation of the very same malware in the set). The sample collection process was stopped end of August 2022. All products were installed on a fully up-to-date 64-Bit Microsoft Windows 10 system. Products were tested at the beginning of September with default settings and using their latest updates.

Ranking System

Hierarchical Cluster Analysis

The malware protection rates are grouped by the testers after looking at the clusters built with the hierarchal clustering method (http://strata.uga.edu/software/pdf/clusterTutorial.pdf). However, the testers do not stick rigidly to this in cases where it would not make sense. For example, in a scenario where all products achieve low protection rates, the highest-scoring ones will not necessarily receive the highest possible award.

The number of false positives can also affect a product’s rating. Testers take statistical methods into account when defining false-positives ranges. The FP ranges for the various categories shown below might be adapted when appropriate (e.g. if we change the size of the set of clean files).

  Protection Rate Clusters/Groups
(given by the testers after consulting statistical methods)
  4 3 2 1
Very few (0-1 FPs)
Few (2-10 FP’s)
TESTED STANDARD ADVANCED ADVANCED+
Many (11-20 FPs) TESTED TESTED STANDARD ADVANCED
Very many (21-60 FPs) TESTED TESTED TESTED STANDARD
Remarkably many (over 60 FPs) TESTED TESTED TESTED TESTED

 

Offline vs. Online Detection Rates

Many of the products in the test make use of cloud technologies, such as reputation services or cloud-based signatures, which are only reachable if there is an active Internet connection. By performing on-demand and on-access scans both offline and online, the test gives an indication of how cloud-dependent each product is, and consequently how well it protects the system when an Internet connection is not available. We would suggest that vendors of highly cloud-dependent products should warn users appropriately in the event that the connectivity to the cloud is lost, as this may considerably affect the protection provided. While in our test we check whether the cloud services of the respective security vendors are reachable, users should be aware that merely being online does not necessarily mean that their product’s cloud service is reachable/working properly.

For readers’ information and due to frequent requests from magazines and analysts, we also indicate how many of the samples were detected by each security program in the offline and online detection scans.

  OFFLINE
Detection Rate
ONLINE
Detection Rate
ONLINE
Protection Rate
False
Alarms
Avast 93.9% 98.8% 100% 5
AVG 93.9% 98.8% 100% 5
Avira 93.8% 97.4% 99.98% 0
Bitdefender 94.9% 94.9% 99.98% 8
ESET 92.5% 92.5% 99.91% 0
G DATA 96.0% 96.0% 100% 4
K7 89.8% 89.8% 99.97% 30
Kaspersky 80.6% 91.1% 99.96% 0
Malwarebytes 87.4% 96.9% 99.81% 16
McAfee 82.5% 99.6% 100% 7
Microsoft 69.8% 98.1% 99.99% 19
NortonLifeLock 85.7% 99.4% 99.99% 3
Panda 52.8% 83.8% 99.93% 59
Total AV 93.8% 96.8% 99.97% 1
Total Defense 94.9% 94.9% 99.96% 8
Trend Micro 41.1% 82.3% 97.41% 6
VIPRE 94.9% 94.9% 99.97% 8

Test Results

Total Online Protection Rates (clustered in groups):

Please consider also the false alarm rates when looking at the protection rates below.

BlockedUser dependentCompromisedProtection Rate
[Blocked % + (User dependent % / 2)]
Cluster
Avast10019--100%1
AVG 10019--100% 1
G Data 10019--100% 1
McAfee 10019--100% 1
Microsoft 10018- 199.99% 1
NortonLifeLock 10018- 199.99% 1
Avira 10017- 299.98% 1
Bitdefender 10017- 299.98% 1
K7 10016- 399.97% 1
TotalAV 10016- 399.97% 1
VIPRE 10016- 399.97% 1
Kaspersky 10015- 499.96% 1
Total Defense 10015- 499.96% 1
Panda 10012- 799.93% 2
ESET 10010- 999.91% 2
Malwarebytes 10000- 1999.81% 3
Trend Micro 9760- 25997.41% 4

The test-set used contained 10019 samples collected in the last few weeks.

False Positive (False Alarm) Test Result

In order to better evaluate the quality of the file detection capabilities (ability to distinguish good files from malicious files) of anti-virus products, we provide a false alarm test. False alarms can sometimes cause as much trouble as a real infection. Please consider the false alarm rate when looking at the detection rates, as a product which is prone to false alarms may achieve higher detection rates more easily. In this test, a representative set of clean files was scanned and executed (as done with malware).

1.Avira, ESET, Kaspersky0very few FPs
2.TotalAV1
3.Norton3 few FPs
4.G DATA4
5.Avast, AVG5
6.Trend Micro6
7.McAfee7
8.Bitdefender, Total Defense, VIPRE8
9.Malwarebytes16 many FPs
10.Microsoft19
11.K730 very many FPs
12.Panda59

Details about the discovered false alarms (including their assumed prevalence) can be seen in the separate report available at: False Alarm Test September 2022.

A product that is successful at detecting a high percentage of malicious files but suffers from false alarms may not be necessarily better than a product which detects fewer malicious files, but which generates fewer false alarms.

Award levels reached in this Malware Protection Test

AV-Comparatives provides ranking awards, which are based on levels of false positives as well as protection rates. As this report also contains the raw detection rates and not only the awards, expert users who may be less concerned about false alarms can of course rely on the protection rate alone. Details of how the awards are given can be found above.

* these products got lower awards due to false alarms

Copyright and Disclaimer

This publication is Copyright © 2022 by AV-Comparatives ®. Any use of the results, etc. in whole or in part, is ONLY permitted after the explicit written agreement of the management board of AV-Comparatives prior to any publication. AV-Comparatives and its testers cannot be held liable for any damage or loss, which might occur as result of, or in connection with, the use of the information provided in this paper. We take every possible care to ensure the correctness of the basic data, but a liability for the correctness of the test results cannot be taken by any representative of AV-Comparatives. We do not give any guarantee of the correctness, completeness, or suitability for a specific purpose of any of the information/content provided at any given time. No one else involved in creating, producing or delivering test results shall be liable for any indirect, special or consequential damage, or loss of profits, arising out of, or related to, the use or inability to use, the services provided by the website, test documents or any related data.

For more information about AV-Comparatives and the testing methodologies, please visit our website.

AV-Comparatives
(October 2022)