nhaccuatui_dsetup.exe

META., JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application nhaccuatui_dsetup.exe by META., JSC 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 files.downloadsmart.net.
Publisher:
META., JSC  (signed and verified)

MD5:
ffb2360434abb6fcfdc1cee06dea25a7

SHA-1:
43488f357bc3f44ccb9c599e8a8770f17bcf2f78

SHA-256:
0bac191ab21baccd554d4d62822380c339cdbe4a2dcaab3a13e1167418e64c67

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:
6/20/2018 8:39:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.25.20

File size:
611.6 KB (626,272 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
11/30/2012 7:00:00 AM

Valid to:
12/1/2013 6:59:59 AM

Subject:
CN="META., JSC", O="META., JSC", STREET="B49, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District", L=Hanoi, S=Hanoi, PostalCode=--, C=VN

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

Serial number:
00AEB911FEC8E8CFE1A51FB4237872B0FF

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:/MJfsGCJWTKf1Qta52uZsC80nHuMIaGKGkFQ2CO9cfwwBrFk/WgqO:/MJfsVkTumtaMuqCLHuMI9KLWfwkeug

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

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