Cannot see files in C drive

If you have been exposed to Malware/Viruses you may notice that when you go to view files, they are hidden.   How do you unhide these files?

Go to a command prompt as an administrator and type the following -

cd\   (Hit Enter)

attrib -s -h -r c:/*.* /s /d   (Hit Enter)

This process will take several minutes to run.

 

 

Getting rid of rogue viruses and malware

So you went into safe mode,  ran a cleaner (ccleaner or bleachbit) and ran an anti-malware program and when you restart, your  PC becomes infected again.  So what happened?

Many times, the virus is in the startup group and has been copied to your program files or programdata folder.  Even though the cleaners removed the virus, the virus may be dynamic and when restarted, it spawns (polymorphic) and reinfects the computer.   The virus has cloned itself and is basically regenerating itself when Windows reboots.

You can get to the source of the problem and delete the virus and left over files just after you clean it in safe mode.

  • Run msconfig from the search box
  • Locate the virus – it will usually be a string of numbers and letters
  • Navigate to the folder it is in and delete the virus manually.
  • Run your anti-virus and malware again to insure it has been removed (traces)
  • Run a registry cleaner such as MV-Regclean
  • Update and use a quality anti-virus program

MSConfig (Finding the rogue software)

MSConfig Close-up

Navigate to the folder and delete the files.   You will see a pattern of odd files.

Properties of the file

Note:   Executing the file by identically clicking on it will reinfect the computer.   If single click is on (Mouse), turn off the single mouse click option prior to navigating to the folder containing the virus.

Skilled professionals can capture the virus and practice removing the virus by using an old pc or a virtualized operating system in an educational environment.  This should be in a controlled lab.   Anytime you work with viruses (removal or educational),  it must be controlled and infected computers should be backed up and removed from the network.

How do I remove the virus and what programs should I use?  Link

(Above pics by Michael M. -Bama)

What starts in Iran may end in Samoa

Ivan got an email in that looked like a legitimate order.   In a controlled setting with a virtual computer, Kurt,  Michael and I opened the email and hovered over the link.    The link takes you to Iran.   In Iran, you are redirected to an ip in New York, from New York you are taken to Samoa where an .exe file waits on you to infect your machine.  Ingenious.

Let’s go to New York

Let’s pick up our virus in Samoa!

Be careful and think before you click!

New Botnets Gaining Traction Across The Web, Study Says – Dark Reading

Damballa report shows seven new botnets among the top 10 largest; off-the-shelf construction kits dominate list. via DarkReading shareNew Botnets Gaining Traction Across The Web, Study Says – Dark Reading.

TDL4 Botnet Now Even Harder To Kill – Dark Reading

Researchers say that the rootkit used in the TDL4 botnet has been partially rewritten in what appears to be an attempt by the creators to make it even harder to eradicate. via DarkReading Share -TDL4 Botnet Now Even Harder To Kill – Dark Reading.

Notes

UPDATE – See note at the end of this article.

(This first option of repair the MBR can fix the Win32/Popureb.E virus)

Option 1

Try Malwarebytes, Super AntiSpyware portable in Safe Mode First

Option 2

You must boot the PC into repair mode, hitting F8 before windows starts and select:

Repair my Computer

Select the Command Prompt

The virus may have caused damage to your Master Boot Record (MBR) and Boot Configuration Data (BCD). :

bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd
Reboot your computer

Note: This should fix the MBR.  You will then run your anti-virus again.  Repairing an MBR can be risky.
Here’s a quick fix Dawn found!  Kudos to her for finding a fix to save time -
Other Notes -

Which anti-malware should you use when removing a virus or malware?  Here’s a list if removal is tough.   These programs can be used for system maintenance.  You should use cleaners such as Glary or CCleaner to clean your computer first.   So boot into safe mode and uncheck all startup items (NOT process) by typing msconfig in the run line.  Then run these programs when removing a virus / malware.

Online Scanners

40% of SMBs suffered breach due to unsafe Web surfing

40 percent of small and medium-sized businesses have suffered a security breach due to unsafe web surfing, and nearly one-third still do not have a policy to govern the use of social networking sites,

40% of SMBs suffered breach due to unsafe Web surfing.

Free virus check websites

Here’s several websites to check your computer for viruses and malware.  Are you aware that nearly 70% of computers have malware or spyware?   It only takes a few minutes to check your computer.
AOL Computer Checkup

Audit My PC

BitDefender

CA Technologies

ESET Online Scanner

Kaspersky Virus Scanner

McAfee Security Scan

Panda Security Antivirus Scan

Qualys Browser Check

QualysGuard Malware Detection

Symantec Security Check

TrendMicro HouseCall Virus Scan

Webroot Spy Sweeper

TDL4 – Top Bot – Securelist

TDL4 – Top Bot – Securelist.

Very interesting article about a rootkit we’ve been seeing on people’s PCs lately. This is one scary virus!  - Dawn Babian

The malware detected by Kaspersky Anti-Virus as TDSS is the most sophisticated threat today. TDSS uses a range of methods to evade signature, heuristic, and proactive detection, and uses encryption to facilitate communication between its bots and the botnet command and control center. TDSS also has a powerful rootkit component, which allows it to conceal the presence of any other types of malware in the system.

Read About the Advertising Malware Problem

Symantec Logged 286 Million New Threats In 2010 – Darkreading

Symantec Logged 286 Million New Threats In 2010 – Darkreading.

The newly published Symantec Internet Security Threat Report Trends for 2010 counted some 6,253 new bugs — the most ever in a year — that were mostly driven by malware attack toolkits. The ease of deployment that comes with these kits resulted in some 286 million new malware variants, according to Symantec…more