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Trojan-Dropper.Win32.HDrop.apo

Posted: March 3, 2011

Accurate to its name, Trojan-Dropper.Win32.HDrop.apo is a Trojan horse infection that downloads or drops malicious programs onto any computer Trojan-Dropper.Win32.HDrop.apo infects. Trojan-Dropper.Win32.HDrop.apo and similar malware are usually acquired unintentionally through downloading suspect files distributed via P2P networks and suspicious websites. Computers enduring Trojan-Dropper.Win32.HDrop.apo or any other rogue security applications will be left with little to no privacy or system security and remain open to remote attacks, keylogging and other highly malicious activities. Deleting Trojan-Dropper.Win32.HDrop.apo without a pause before proceeding is vital since hesitation gives the Trojan the opportunity to worsen the situation.

Don't Let Trojan-Dropper.Win32.HDrop.apo Get the Drop on You

Trojan-Dropper.Win32.HDrop.apo and other Trojans will infect your computer through deceptive means, such as being bundled with misleading or otherwise corrupted .exe files. With sufficiently poor browser security, dangerous websites can force your computer to download a Trojan without you knowing about it. Avoid suspect file sources and websites, and keep your your anti-virus program up-to-date and active at all times. This will keep Trojan-Dropper.Win32.HDrop.apo from sneaking in when you're not expecting it.

Dealing with the Trojan-Dropper.Win32.HDrop.apo problem once you've caught the infection is much more difficult, since Trojans will install malware with varied and potentially highly invasive means of attacking your computer. Some usual malware attacks Trojans enable are as follows:

  • Spyware. Spyware-based infections typically record keyboard input at a minimum, to catch passwords and other sensitive information that could be used for criminal purposes. Spyware isn't restricted solely to keylogging, however, and can also encompass screen captures, copying the contents of a file and even recording microphone input.
  • Browser hijackers. Hijackers can block security websites or even all websites other than malicious ones, which the browser will be redirected to frequently. Many Trojans like Trojan-Dropper.Win32.HDrop.apo serve as browser hijackers innately instead of needing to use other malware for this attack.
  • Worms and viruses. These types of malware both reproduce rapidly, with the former primarily exploiting networks and removable drives, and the latter infecting preexisting files. The infection of files already on your computer can lead to irrevocable damage to the operating system and other important files.
  • Generally reduced security with regards to both particular programs and overall system settings. Your firewall may be taken down, your ports forced open, and programs like anti-virus scanners and Windows Task Manager may be completely blocked.

How to Drop Trojan-Dropper.Win32.HDrop.apo

Deleting Trojan-Dropper.Win32.HDrop.apo can be a harder task than it looks since the Trojan might not let you run your anti-malware programs at all! Even if you're able to run these scanners to remove the infection, the majority of Trojans like Trojan-Dropper.Win32.HDrop.apo will have backup measures in place to come right back afterwards.

Ensuring the total safety of your computer, therefore, comes down to stopping Trojan-Dropper.Win32.HDrop.apo cold and preventing it from running while you delete every aspect of Trojan-Dropper.Win32.HDrop.apo from your machine. Registry keys and potential .dll files shouldn't be overlooked. Make sure that you also remove anything that the Trojan dropped on your system, or your troubles may not be over with just Trojan-Dropper.Win32.HDrop.apo's removal!

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %AppData%\Nuopo\zevue.tmp
    2 %AppData%\Nuopo\zevue.ygq
    3 %AppData%\Xeqiy\lepu.exe
    4 %PROGRAM_FILES%\Trojan-Dropper.Win32.HDrop.apo
    5 %Temp%\tmp2784fa9e.bat
    6 c:\Documents and Settings\All Users\Start Menu\Trojan-Dropper.Win32.HDrop.apo\
    7 c:\Documents and Settings\All Users\Trojan-Dropper.Win32.HDrop.apo\

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Microsoft\DemuyHKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PrivacyHKEY_LOCAL_MACHINE\Software\Trojan-Dropper.Win32.HDrop.apo[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy] CleanCookies = 0x00000000[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]HKEY..\..\..\..{RegistryKeys}{2885CD4D-2186-DBB2-9A52-0A50ADE9C316} = ""%AppData%\Xeqiy\lepu.exe""
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