Win32.Worm.Mytob.C@mm
Posted: May 3, 2012
Threat Metric
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: | 2/10 |
|---|---|
| Infected PCs: | 30 |
| First Seen: | May 3, 2012 |
|---|---|
| OS(es) Affected: | Windows |
Win32.Worm.Mytob.C@mm is a variant of the Win32/Zotob worm, and acquired especial notoriety for its 2005-era infection of CNN computers, temporarily interfering with CNN Live news services. Despite its age, Win32.Worm.Mytob.C@mm has still been confirmed to be in distribution by various means as of 2012, including being sent as a file attachment via spam e-mail messages (most likely via mass-mailing attacks that are coordinated by Win32.Worm.Mytob.C@mm itself). Although SpywareRemove.com malware experts have confirmed that Win32.Worm.Mytob.C@mm doesn't always cause visible symptoms, any potential Win32.Worm.Mytob.C@mm infection should be considered a high-level threat to your computer's security. Besides its standard worm functions, Win32.Worm.Mytob.C@mm also possesses characteristics of backdoor Trojans, and can attack your PC's security or grant criminals to dominate your PC from a remote server. Containing Win32.Worm.Mytob.C@mm and preventing Win32.Worm.Mytob.C@mm from distributing itself should always be one of your first priorities, after which you can isolate and delete Win32.Worm.Mytob.C@mm with a suitable anti-malware application.
Win32.Worm.Mytob.C@mm: an Expensive Blast from the Past
Even though Win32.Worm.Mytob.C@mm's most well-known attack occurred as far back as 2005, current estimates on spam e-mail attacks lead SpywareRemove.com malware researchers to note that as many as tens of thousands of Win32.Worm.Mytob.C@mm-infected e-mail messages may still be sent out on a daily basis. In this format, Win32.Worm.Mytob.C@mm is often received as an executable file attachment, and may be mislabeled to appear like a different file (such as a fake invoice notification as a .pdf file, for example). Because Win32.Worm.Mytob.C@mm's functions do include sending these types of spam by exploiting the resources of infected computers, Win32.Worm.Mytob.C@mm can be said, like many worms, to be adept at self-propagation.
SpywareRemove.com malware experts especially warn against any contact with a Win32.Worm.Mytob.C@mm-infected PC by means of local networks or removable drive devices, since worms like Win32.Worm.Mytob.C@mm can exploit either of these means to install themselves automatically onto fresh computers. Since typical losses for a network of company computers that are infected with Win32.Worm.Mytob.C@mm or another Zotob variant exceed ninety thousand dollars, containing Win32.Worm.Mytob.C@mm should always be considered an urgent priority. In spite of the potential for damage, the only confirmed symptom of a default Win32.Worm.Mytob.C@mm attack is a series of continuous system restarts or reboots. However, because Win32.Worm.Mytob.C@mm is configurable via a remote server, even this symptom isn't guaranteed to appear.
Why's Security Bypasses Should Be Your Security Concern
Win32.Worm.Mytob.C@mm's payload can include a variety of malicious functions that are typical of backdoor Trojans, in addition to plug-and-play exploits (that can be prevented by installing the relevant security patch from Microsoft). Some of the risks that Win32.Worm.Mytob.C@mm can pose include:
- Installing other types of malicious files, potentially including Trojans, rogue security software or spyware.
- Changing your Hosts file to block security-oriented websites.
- Recording your keyboard input via keylogging to steal personal information.
- Using your computer's resources for illegal acts, such as sending out Win32.Worm.Mytob.C@mm spam e-mail or launching DDoS attacks.
Since Win32.Worm.Mytob.C@mm is likely to infect related computers and create multiple copies of itself, SpywareRemove.com malware researchers suggest using anti-malware software to detect and remove Win32.Worm.Mytob.C@mm in its entirety, as manual deletion is impractical at best.
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