Peper Trojan


Peper Trojan, also called Troj/Peper-A, Trojan.Peper.A and SandBoxer, downloads files to the user's computer, possibly adware which will open pop-up windows.

Some state that the trojan uses random filenames and registry entries, but it seems to be pseudo random (?). Extremely hard to detect, Bazooka will try, but will most likely fail.

A clear sign of infection is a 14 character long registry value starting with a number, located in 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Run'. Another indication of infection is random named processes listed in the Task Manager's process list. Another sign of infections is network connections to (

Peper Trojan is bundled with MemoryWatcher.


Trojan Horse


Amh4V.exe, FmrCj.exe, JvfMa7R.exe, SjrZsY.exe, Iei1NKe7.exe, CpaFG.exe, DozMu4.exe, Cio9f.exe, Ryf9m24V.exe, Idk277g.exe, Oval73H.exe, Yfk8.exe, LgnJ8V3.exe, YmxB.exe, MtyJ62.exe, Szep85ln.exe, XioVQ8s0.exe, Corx5Ux.exe, IpwoDw.exe, Xej7.exe, Kvw1.exe, FqbPw5.exe, HqoX.exe, Cjo9f.exe, NuaK63H.exe, Fdjd3o.exe, AozDF.exe

If you have any of the files related to Peper Trojan 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 Peper Trojan software. Thank you very much for your time!

Log references

Log 13 Log 18 Log 29 Log 30 Log 38 Log 48


QuadroGram LLC (?)

Privacy policy

No privacy policy available.


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

Uninstall Peper Trojan 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 Peper Trojan. 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 Peper Trojan 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 Peper Trojan remains on your system after stepping through the removal instructions, please double-check by stepping through them again.

  1. Make sure your system show hidden files and folders
  2. Start your computer in safe mode.
  3. 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.)
  4. Browse to the key:
    'HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Run'
  5. In the right pane, look for a 14-character long random looking value, starting with a number. Remeber the file (*) it points to and delete the 14-character value.
  6. Exit the registry editor.
  7. Start Windows Explorer and delete:
    the file (*) mentioned above.

Problems uninstalling? Click here.

Alternative Uninstall procedure

Here's is an information page about how to remove it.

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Contact information for Peper Trojan's vendor

In order to provide correct, accurate and updated information about Peper Trojan 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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