tongbu-assistant.exe

Canekenal

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application tongbu-assistant.exe, “Canekenal Setup ” by UpdateStar GmbH has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from www.toursguardmeta.com.
Publisher:
Lanipofolo   (signed by UpdateStar GmbH)

Product:
Canekenal

Description:
Canekenal Setup

MD5:
97436a352bd538ca3caf3613da518c25

SHA-1:
8ea0a90684afd2767d571e1e0714167c02011895

SHA-256:
a60b8ffd8b35cb7f9a2789f766a9a304dfa338f7e96c145dfcde62a3cfd2acbd

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
10/24/2020 1:41:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.16.1

File size:
1.2 MB (1,303,024 bytes)

Product version:
1.6

Copyright:
Stub Lite

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\tongbu-assistant.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
3/29/2016 4:00:00 AM

Valid to:
3/30/2017 3:59:59 AM

Subject:
CN=UpdateStar GmbH, OU=IT, O=UpdateStar GmbH, L=Berlin, S=Germany, C=DE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
0B4FA804A949E9A222E54344536E47E3

File PE Metadata
Compilation timestamp:
6/20/1992 2:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 96, C2, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9788

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file tongbu-assistant.exe has been seen being distributed by the following URL.

http://www.toursguardmeta.com/3P smT2sSRp4aW4WPXm nYBRoUo3FetdRLhDSlB3Q_M9XoDfLZ42vyxMUyJ_V04WrBjAEjlGlVRUmT0WFpg04SJaJIbbTzaOms17yjB4tT 9iNAgZuspF0xFHN7MyT1 YcJzEpkwVjP8talFt14jMFk7E0gm8tQhjAJGiIOWrfBss5YeI2ui2lfqw63Rzcc6gqEOrYSMZRzAB9HK1fv FquJXQK4X1zzgJNFVsZ2DtdriInBTnJE7BmXw8q4Br2BfABEA2NWW_0TvRuSPwDKFwQqef39zJk29CGbIaCDo6YXU7E9u4iSeW_mcs0OGTO2INTOOlgXspGzgp9ZxhcqzMqGH6iPGehdgZbE8uiW EatEkY6 S4Vb95EbvA9x8bRmMLcFGyPG2uF0sio7346wi1FzPLZF3AKYZ5I0DOwmcl1_wZ 3YF4G6O9SKCy62s2F9lhqQ5kAYEsbQVz2RHm26c2WRhXTLJqUwClpoBnXFZf9bm7HpJp_WXXxappA9QRBoHtIIhwAXXBqV 9sxNY0D f2_sanCFa96kDHz2Q5iqzSX8U95svrBHGr4tacMvKLL_cmPgE3cR qy9N68kVTToyliapdN5vqj3FEx5ba3vtydQfY 0Rmvpqt_PUMtyI teCV6Pk-G1MAAMTc2vN3ilavT_0Hw6F9MtlGMdiAA6cQkmUAW4eNsfEFPZ14414NNp_OPsarJeNQfGK4juk1U0XBjpyuNOgU81csCu0fHRvfBvkF

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