Trojan Horse Agent_r.ARN

Posted: November 22, 2011

Threat Metric

The Threat Meter is a malware assessment that SpywareRemove.com's research team is able to give every identifiable malware threat. Our Threat Meter includes several criteria based off of specific malware threats to value their severity, reach and volume. The Threat Meter is able to give you a numerical breakdown of each threat's initial Threat Level, Detection Count, Volume Count, Trend Path and Percentage Impact. The overall ranking of each threat in the Threat Meter is a basic breakdown of how all threats are ranked within our own extensive malware database. The scoring for each specific malware threat can be easily compared to other emerging threats to draw a contrast in its particular severity. The Threat Meter is a useful tool in the endeavor of seeking a solution to remove a threat or pursue additional analytical research for all types of computer users.

The following fields listed on the Threat Meter containing a specific value, are explained in detail below:

Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.

Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.

Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.

Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.

% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.

Threat Level:	9/10
Infected PCs:	87

First Seen:	November 22, 2011
Last Seen:	October 29, 2020
OS(es) Affected:	Windows

As per its name, Trojan Horse Agent_r.ARN is a Trojan horse that invades your PC for the purposes of several attacks, particularly including web browser redirects to malicious sites. Other signs of Trojan Horse Agent_r.ARN attacks that SpywareRemove.com malware experts have observed include unusual sound clips, system slowdown, blocked or ineffective security programs, network errors and the presence of unusual and RAM-heavy memory processes. Since contact with sites that Trojan Horse Agent_r.ARN may redirect you to can be a source of additional attacks, and due to the security issues that a Trojan Horse Agent_r.ARN infection creates by default, it's recommended that you remove Trojan Horse Agent_r.ARN the very moment that you first notice Trojan Horse Agent_r.ARN. Because Trojan Horse Agent_r.ARN is exceptionally-challenging to delete, you should be prepared to use powerful anti-malware programs along with baseline anti-malware strategies to get rid of Trojan Horse Agent_r.ARN for good.

Taking Your PC on a Ride with Trojan Horse Agent_r.ARN Will Make You Regret It

As a fully-functional browser hijacker, Trojan Horse Agent_r.ARN's main goal is to bolster the traffic of malicious websites that provide advertisements or fake security programs. The foremost symptom of any Trojan Horse Agent_r.ARN infection is finding your web browser redirected to an unfamiliar site, either at random or when you need to employ a search engine. Trojan Horse Agent_r.ARN is especially-noted for infecting Firefox, but variants of Trojan Horse Agent_r.ARN may also attack other brands of web browsers.

Other issues that SpywareRemove.com malware experts have noted may arise on a Trojan Horse Agent_r.ARN-infected PC include:

A slowdown of your computer's overall performance.
Strange sounds or music that play without warning.
Security and anti-malware programs that refuse to open or malfunction while they're in use.
A continual 'acquiring network address' status message regardless of your wireless connection's actual state.
The presence of a Ping.exe memory process, which may use up to 280,000K in RAM.

Trojan Horse Agent_r.ARN: A Tenacious but Fixable PC Problem

SpywareRemove.com malware researchers have also found that Trojan Horse Agent_r.ARN is exceptionally-robust, as far as Trojans go, with respect to resisting deletion. Even otherwise-competent types of anti-malware programs may have difficulties deleting Trojan Horse Agent_r.ARN. To guarantee that Trojan Horse Agent_r.ARN is completely removed from your PC, it is advisable you take a few or all of the following steps:

Disable System Restore to prevent Trojan Horse Agent_r.ARN from restoring itself.
Reboot your PC by selecting Safe Mode from the advanced boot options menu.
Update your preferred anti-malware program, to make sure that it has a complete definition for the most recent variant of Trojan Horse Agent_r.ARN.
Boot Windows from an external source (like a USB drive or CD).

In all cases, however, proper removal of Trojan Horse Agent_r.ARN with a competent anti-malware application will insure that your PC doesn't suffer long-term damage from the Trojan Horse Agent_r.ARN infection. Manual removal of Trojan Horse Agent_r.ARN isn't recommended unless all other options have proved inadequate, since it may damage Windows and cause a loss of critical system information.

Trojan Horse Agent_r.ARN

Threat Metric

Taking Your PC on a Ride with Trojan Horse Agent_r.ARN Will Make You Regret It

Trojan Horse Agent_r.ARN: A Tenacious but Fixable PC Problem

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