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FAKE SECURITY WARNING - IDENTIFY AND SOLVE

Updated on November 23, 2012

FALSE VIRUS WARNING - IDENTIFY AND SOLVE (INTRODUCTION)

Computer virus is the common problem that faces most of the computer and internet users today.new viruses appears day by day that consume our valuable time.Different types of security threats includes Malware, computer worms, Trojan horses, most rootkits, spyware, dishonest adware and other malicious or unwanted software, including true viruses. Viruses are sometimes confused with worms and Trojan horses, which are technically different.

In addition to the perennial issue of phishing mails, attackers are now concentrating on two emerging markets in particular: social networking sites and smartphone apps. Yet only a few users believe that posts from their Facebook friends could be dangerous. However, new attacks are seen every day that are out to get the personal data of the users. Also, the number of apps in the App-store and in particular in the Android market that spy on cell phone data or rip off users is increasing rapidly.

On the other hand, browsers and operating systems confront the user time and again with similar harmless warnings, in which some suspect a virus attack: blocked websites, false alarms of the virus scanner, Windows messages. The distinction between where a virus actually lurks and where not is difficult. However, if you look at the right place and with the right tools, you will find the solution in no time.Here we discuss about some false virus warnings and how to solve these problems.

AGGRESSIVE VIRUS SCANNERS

If your current virus scanner pops up a warning, you should take it seriously. However, this unfortunately results in false alarms occasionally when you install or run an application. According to the AV test, the numbers of false alarms at the start of this year has certainly reduced as compared to the fourth quarter of 2010. However, security suites still grumble in the case of a number of known applications - even as regards Open Office or Notepad++, which are completely harmless. This is mostly due to a clear heuristics that classify certain code parts or file actions in harmless programs as suspicious. Whether a warning is displayed depends on a threshold value. If this is exceeded, the scanner strikes.

If you know the blocked program, you should compare the checksum of the setup file with the value often specified on the download page of the provider using a tool like FileAlyzer. This is useful, especially for large files such as the installer of the Open Office suite. If you do not find any checksum on the website, download the program once again from a trusted source for security. If the blocked file is unknown, move it to quarantine and start the counter check. Upload the file using VirusTotal Uploader and get it analyzed from more than 40 engines. If only one or two strike, it is not malware.

BLOCKED INTERNET OFFERS

The phishing filters of the browser are based on blacklists that include malicious codes of transmitting URLs. These lists are mostly reliable and block the dangerous sites, but are not always up to date. New harmful sites are constantly appearing and the number has doubled to nearly 3,300 per day in the last year. However the site itself may not harmful, but perhaps just one of the ads on it. The infected banner is usually removed quickly, but once the site is on the blacklist, the browser blocks it for days.

Check the blocked URL with any webpage scanner here that analyzes the URL, including sub-domains in real time. You can also protect yourself from infected banners by using an Adblocker for the browser.

INCORRECT CERTIFICATES

SSL-encrypted websites require certificates so that the browser can verify its authenticity and distinguish it from dubious or dangerous sites. If the certificates are not stored in the browser, it will block the page and display a warning to the user.

These warnings may have absolutely harmless causes: an incorrect date in the system (Windows or BIOS), an expired certificate (rarely) or a certificate from an unknown source. This is applicable to a few free of charge certificates, like those from CAcert, which you can then directly download via a selection window in the browser and store. Current browsers are so strict that you cannot just click and get away with these certificate warnings.

ANNOYING WINDOWS UAC

The Windows User Account Control (UAC) does not distinguish between malware and harmless software. By default, it always warns if an application wants to change the Windows settings (such as the registry). Experienced PC users mostly click and get done with the resulting pop-up window without reading, and inexperienced users tend to be unsure.

In ‘Control Panel | System and Security | Action Center | Change User Account Control Settings’, you can reduce the strictness of the UAC. Ifyou deactivate it completely, you should not use Windows with admin rights, as otherwise malware can easily get into the system. Therefore, set up a quick user change, using which you can activate the Admin rights with a click and install tools.

OVERZEALOUS FIREWALL

Not every program that sends data to the Web i s a Trojan that accesses your account, credit card or log-in data. Some harmless programs also send data to the Web. The firewall does not strike in browsers or P2P tools that use other ports for data transmission.

you are unsure, you can analyze active network connections using CurrPorts. Hide all system processes by deactivating the ‘Display Items without Remote Address’ function under Options. With this, you are only left with known programs. If you see another process, find the file location in the ‘Process Path’ tab and upload the file from there using VirusTotal Uploader for a virus check. If a virus is found, disconnect the connection of the used ports in CurrPorts using [Ctrl] + T and abort the process in the context menu with ‘Kill Processes of selected Ports’.

TYPICAL SYSTEM ERRORS

Badly programmed malware can cause crashes or corrupt the memory. However, this is rare as it works secretly. In addition, many reliable malware kits are circulating on the Web. Thus, the causes of system failures are mostly conflicts in the memory system, old drivers or hardware wear out.

Check in Device Manager if there are any hardware conflicts, and update the driver if necessary. This can especially help in older operating systems (Windows XP or its predecessors); the newer Windows versions generally download the appropriate drivers automatically. If you have installed a program before the problem, call an earlier stage using system recovery, in which the computer still worked. Here i am suggesting CCleaner or Defraggler to clean the hard disk and registry and get rid of old files and entries related to past system errors. You will thus no longer get any warning messages – at least till the next website has been hacked.

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