Bang5mai is an application usually installs without your knowledge vith the download of freeware. In fact some sites use the method of repackaging. This is an operation that is to redo the module software installation by adding download options. These options allow to add other software as for example toolbars browser, or potentially unwanted software. The addition of these new programs can decrease the performance of the system but also slow or redirect internet surfing. As a general rule, should focus on the author’s official site to download your software.
Identified : 07/08/2015.


– It belongs to a family of PUP (Potentially Unwanted Program).
– A polluteware is a software that pollutes storage and/or the Base of registers.
– Vendor : PUP.Optional


– It installs a plugin of the browser Google Chrome (G2)
– It installs a program of extension for browser Mozilla Firefox (M2)
– It installs a plugin of the browser Mozilla Firefox (P2)
– It is installed as a BHO (Browser Helper Object) of internet browser (O2),
– It installs as a process launched at startup of the system (RP),
– It installs as a service to be launched each time the system (O23),(SS/SR).
– It creates to many registry keys ‘Software’
– It creates additional folders (O43),
– It moved to the Windows prefetcher folder (O45).
– It creates multiple files users (O61),


[MD5.BA930658845ECB5A16592CDBFC84F93E] – (…) — C:\Users\Coolman\AppData\Local\B5T\Share\B5TService.exe [574280] [PID.1424]
G2 – GCE: Preference [User Data\Default] [nklfajnmfbchcceflgddnkignfheooic] __MSG_extTitle__
P2 – EXT FILE: (…) — C:\Users\Coolman\AppData\Roaming\Mozilla\Firefox\Profiles\j78hke7b.default\extensions\extension@b5m.com.xpi
P2 – FPN: [HKCU] [B5MSoft.com/Bang5TaoPlugin] – (.B5MSoft.) — C:\Users\Coolman\AppData\Local\B5T\Plugin\npB5TPlugin.dll
O2 – BHO: B5T Shopping Assistant – {260669B1-FC2C-41C0-BAA2-6EF3BB188660} . (.B5MSoft – Bang5Tao BHO.) — C:\Users\Coolman\AppData\Local\B5T\Plugin\B5TShoppingAssistant.dll
O23 – Service: B5TService (B5TService) . (…) – C:\Users\Coolman\AppData\Local\B5T\Share\B5TService.exe
O43 – CFD: 2015/10/16 16:10:20 – [0] D — C:\ProgramData\B5TTmp
O43 – CFD: 2015/10/01 15:23:03 – [] D — C:\Users\Coolman\AppData\Local\B5T
SR – Auto [2015/07/24 10:44:29] [ 574280] B5TService (B5TService) . (…) – C:\Users\Coolman\AppData\Local\B5T\Share\B5TService.exe


PUP.Optional.Bang5mai.A [ Malwarebytes Antimalware ]
PUA.Win32.Bang5mai.B 20151012 [Baidu-International]
W32.HfsAdware.E5B3 20151012 [Bkav]
a variant of Win32/Bang5mai.B potentially unwanted 20151013 [ESET-NOD32]
Riskware/Bang5mai 20151013 [Fortinet]
PUA.Bang5mai 20151013 [Ikarus]
PE:PUF.Hijacker-B5T!1.A1C0[F1] [Rising]


– Remove software in Windows Configuration Panel,
Remove with ZHPcleaner
Diagnose with ZHPDiag