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Showing posts with label Infected. Show all posts
Showing posts with label Infected. Show all posts

Thursday, 12 January 2012

How Do I Know If My PC Is Infected With Spyware or Adware

Many people that are new to the Internet world are nervous about the potential of viruses, Spyware or Adware that can harm their computer, affect performance or make their very private information public to others.


Spyware programs can do a number of damaging things to your personal computer. Spyware infects your pc and hides in the background and can do many nasty things to the performance of your system. It can also do harmful things to you such as send out your personal information, your every keystroke and photo that resides on your hard drive, watch your surfing habits and shopping habits and annoy you with annoying pop-ups filled with advertisements and even pornography.

If you are experiencing any unusual changes in your computer's performance or have any unusual new pop-ups, changes to your toolbars or new icons on your desktop, you should run a system scan to find out if you have Spyware. Products exist on the market to help you combat this problem. Be sure to install software that you know is credible. Downloading freeware can often result in further Spyware existing on your computer. Spyware, Adware and Malware companies frequently fool users into sending pop-ups telling them that there's a problem with their computer and this in fact is further spyware. These errors can open your system up to future further problems by fooling people into thinking they're downloading fixes when really further spyware is being downloaded.

Watch your system's performance and at the sign of any unusual activity, realize that you are probably infected. Do something as soon as possible to protect your privacy. These programs don't discriminate and can launch themselves when you or your family members sit in front of the computer. Pornographic pop-ups can turn up whether it's an adult or a child using the computer. Protect your pc.

Antivirus alone isn't enough to combat this problem. Spyware sneaks into your system via executable files that you don't need to do anything to launch. They can sneak in as attachments that you download or by many other means. They're harmful and annoying but you can protect your computer and your privacy with the right software. This software needs to have an auto update for spyware definitions as new spyware definitions are being added daily. So a spyware removal program is a great compliment to your existing anti-virus software.

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Monday, 3 January 2011

NTLDR Missing | Virus Infected | Backup Needed

Owner: Ms. Jaqueline
Address: El Amigo, Silliman University Area, Dumaguete City


Processor: Intel Dual Core 2.8 GHz
Memory: 512 MB DDR2
Motherboard: D945GLF (Intel Motherboard)
Operating System: Win XP SP2
Hard Disk Drive Size:
160 GB


Technician: Rogin Diez


PROBLEM

- "NTLDR Missing" text appears upon bootup
- Virus Infected


CLIENT REQUEST

- File and multimedia backup


INTERVENING FACTORS

- Motherboard support CD lost
- Peripheral drivers lost


OBSERVATIONS

- Power OK
- Unable to boot up, "NTLDR missing" code appears


TROUBLESHOOTING PROCEDURE

- Re-installation of Win XP without formatting the drives

- After successful istallation of the OS, backup requested files (Documents, Pictures, MP3's, etc..)

- Run DXDIAG by going to "Run" of the Start Menu (WIN+R) then type dxdiag,look for the motherboard description, the motherboard manufacturer for driver download reference.

- After determining the motherboard and file backup, install back the OS and I partitioned the drive twice with 50% each of the total drive space.

- After successfully installed the operating system, I then installed additional application like MS Office 03 and 07, an antivirus, USB Security, USB Safely Remove, Teracopy, Regcure, VLC, Firefox, etc..)

- Download the missing drivers from the web.

- The downloaded motherboard drivers are then installed.

- System restart was necessary then.

- After the restart, defrag the drives then assign larger virtual memory for both drives C: and D:

- Restart, then run Regcure.


REPORT

- The system was then functioning well. Computer Troubleshooting do require patience in the procedure. And careful understanding of the functions of the peripherals is a must. 0_o

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How I Manually Recovered the Virus Infected Digicam Files

Just this morning, one of my students approached and asked me if can I help to get her Digicam pictures from its memory card back. Without hesitation I asked her back rightaway what has happened and when did it happen. She told me that she has used it earlier and was still able to see the pictures but when her digicam's memory card was plugged in to the other pc, everything that was in the memory card where replaced by folder links. All the files in the memory card where replaced by files with .lnk file extensions indicating that they are link shortcuts. Obviously, the digicam's memory card is virus infected. My student then asked me if can there still be a chance to get her pictures back and I just answered "We'll try".

So I plugged in her memory stick to my computer while pressing the "Shift" key. Pressing the shift key avoids autoruns. Upon checking the contents of her memory card (do not click on the memory card's icon in "My Computer", Use the folder tree at least)I noticed that there where six lnk files with zero bytes of file size. But I checked properties of the memory card , it shows more than 400 MB of used file size out of the total of 2 GB capacity. This is odd, so I checked on for the folder options if there are hidden files but I found none. The other option to check if files are given with attributes is by using the NT Command Prompt.


To Use the NT Command Prompt

1. Press "Win+R" then type in "cmd"

2. Once your are in the command prompt, go to the root directory of your memory card and in my case it's on dive e:. So typed in "e:"

3. It should now display E:\> and type "attrib/s". You should see some files with attributes like "r","a","s","h". If you see such attributes, remove them by typing in "attrib/s -r -a -s -h".

4. Once the attributes are removed, type "dir" to see all files. As I executed this, I found seacao.exe and jauaco.exe. These files are not familiar and just as I suspected. I found out by searching on google that these are worms. So I deleted them by typing in "del seacao.exe,juauco.exe".

5. As I deleted those files, the lnk files still remained and still not pictures found. So I decided to to check each lnk file to be treated as a directory.

6. So I typed in "cd documents.lnk" where "document.lnk" is the name of one of the lnk files. To my surprise, I was able to enter "documents.lnk" directory. So I then checked for possible files by typing in "dir". Then I saw a lot of files with .jpg and .mov file extensions, at last I found them! And so I copied the files by typing in "copy *.* d:" where d: is the directory where I'll be placing the recovered image files so I can format the memory card.

I was then able to format the memory stick and transferred the recovered image files from drive d: back to the newly formatted memory card successfully and returned it its owner. If you feel this method is way too technical for you, you might want to consider using a good software to automatically recover your corrupted digital camera files.

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