DrummerBoy's is an UPX compressed executable with unknown purpose. DrummerBoy is also known as Downloader-EV and Mendware. It is trying to hide from the user inside %AppData% using random filenames and registry keys making it look much like the Peper trojan. DrummerBoy is extremely hard to detect, Bazooka will try, but will most likely fail.

Note: %AppData% is a variable (?). By default, this is 'C:\WINDOWS\Profiles\%UserName%\Application Data\' or 'C:\WINDOWS\Application Data\' (Windows 95/98/Me) or 'C:\Documents and Settings\%UserName%\Application Data\' (Windows NT/2000/XP).
Note: %UserName% is a variable (?). This is set to your username.

A sign of DrummerBoy running on your system is a four character long executable trying to connect to - owned by Clickspring, LLC, a well known ad serving company.

DrummerBoy seems to report back to its controlling servers when it is installed on the user's system and when DrummerBoy crash. The following URL found in DrummerBoy's code:

It is unknown how DrummerBoy reaches the end user's systems.




ttuh.exe, dpep.exe, BNSH.EXE, iebs.exe, ssuu.exe, ESCN.EXE, iroo.exe, rlnr.exe, tpoa.exe, iuea.exe, urod.exe, asri.exe, wtr.exe, brmn.exe, ewra.exe, uppe.exe, rcea.exe, ctsc.exe, demu.exe, ttwc.exe, ohco.exe, aods.exe, SNOA.EXE, aean.exe, aatu.exe, dwtn.exe, rew.exe, oahs.exe, esma.exe, rtrr.exe, aort.exe

If you have any of the files related to DrummerBoy on your system, please send them for additional analysis. Generally, I have only analysed a few versions for each software component listed at this web site. With your help I will be able to look at both old and more recent versions of the DrummerBoy software. Thank you very much for your time!

Log references

Log 57 Log 69 Log 80 Log 81 Log 82 Log 102 Log 149


Clickspring, LLC (?) whois

Privacy policy

Clickspring, LLC Privacy policy


Bazooka Adware and Spyware Scanner detects DrummerBoy. Bazooka is freeware and detects spyware, adware, foistware, trojan horses, viruses, worms and other potentially unwanted applications. Read more »

Uninstall DrummerBoy with FreeFixer

I'm working on a general purpose tool for removing unwanted software. The tool is called FreeFixer and can help you remove unwanted Browser Helper Objects, Internet Explorer toolbars and software that starts automatically when you reboot your computer, so it can offer some assistance while uninstalling DrummerBoy. The manual removal instructions listed below will help you to identify what to delete with FreeFixer.

Read more about FreeFixer.

Manual removal

Please follow the instructions below if you would like to remove DrummerBoy manually. Please notice that you must follow the instructions very carefully and delete everything that is mentioned. In most cases the removal will fail if one single item is not deleted. If DrummerBoy remains on your system after stepping through the removal instructions, please double-check by stepping through them again.

  1. Start your computer in safe mode.
  2. Start the registry editor. This is done by clicking Start then Run. (The Run dialog will appear.) Type regedit and click OK. (The registry editor will open.)
  3. Browse to the key:
    'HKEY_CURRENT_USER \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Run'
  4. In the right pane, look for a value with four characters, beginning with an upper-case letter and then three lower-case letters. Remember the file (*) it is pointing to. Delete the value.
  5. Exit the registry editor.
  6. Start Windows Explorer and delete:
    the file (*) mentioned above

Problems uninstalling? Click here.

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Contact information for DrummerBoy's vendor

In order to provide correct, accurate and updated information about DrummerBoy I encourage the vendor to contact me if any part of this write-up needs a revision.

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Related links

Bazooka - Free scan for spyware, adware, trojan horses, keyloggers, etc. Detects more than 500 potentially unwanted applications. Freeware!

The File Database - Search the file database for more information. Free!

PopUp Blocker Test - Find out if your pop-up killer can handle all pop-ups. Free!

Kephyr Labs - Find out what is going on at Kephyr. Try products in an early stage of development.

Read more about FreeFixer, Kephyr's latest spyware removal tool.
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