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typingmaster.exe

X-Media JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application typingmaster.exe by X-Media JSC has been detected as adware 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 cdm.tuviviet.net.
Publisher:
X-Media JSC  (signed and verified)

MD5:
b8dbd8e623610ce52560899f24d2406c

SHA-1:
4a2f25b70fa6e70bc0ddbe220e9e4dab584d60d0

SHA-256:
78d08c27c3c578456ca6bf6885695211631302613243711767b0fbfc45159589

Scanner detections:
1 / 68

Status:
Adware

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:
11/2/2024 9:22:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.XMediaJS (M)
16.6.26.4

File size:
358 KB (366,632 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\typingmaster.exe

Digital Signature
Signed by:
X-Media JSC

Authority:
COMODO CA Limited

Valid from:
7/22/2014 7:00:00 AM

Valid to:
7/22/2016 6:59:59 AM

Subject:
CN=X-Media JSC, O=X-Media JSC, STREET="244A Le Trong Tan, Khuong Mai, Thanh Xuan", L=Ha Noi, S=Ha Noi, PostalCode=10000, C=VN

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00B2A816498972D731C4998D8C6965DAA9

File PE Metadata
Compilation timestamp:
10/7/2014 11:40:23 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:18Dsp+FNX1dFOvDlXJuIHt8cmPQkWiN24F:18dNXSE48cmPz82

Entry address:
0x30E2

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 09, A3, 78, E4, 42, 00, E8, A8, 2D, 00, 00, A3, C4, E3, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, 00, 88, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, C0, DB, 42, 00, E8, 52, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 40, 2A...
 
[+]

Entropy:
4.1948

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file typingmaster.exe has been seen being distributed by the following URL.

http://cdm.tuviviet.net/fxv.ashx?hex=ca71dff1b29887cdcc70cff386d42538&ti=62B9CA1AADC7A46D6C83EEFC13985522129C4374AD7DB8B1&ibe=184713DD38BC9B7CABD063E3C91FB5566CB62A4146402B8F&lke=F39B7118B33F364C04022B48973454D7DCC3DE88FBDBB3B5C6F2ADB8DE1419C5DFDA788EBD373BD6

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