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icreinstall_nsx7729.tmp

The file icreinstall_nsx7729.tmp has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.download-servers.com.
MD5:
8a8fe91ed9ae4300e58f5ecd1fd76f9e

SHA-1:
6e594e859235b758706fd9834b8a2667c64085f6

SHA-256:
8756514ac25b2e44156d8915eecc332755395c7f3c9ea0c3129ba8a475f864d8

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 7:46:13 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.202.56

avast!
Malware-gen
150101-1

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15128

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.PL potentially unwanted application
7.0.302.0

F-Prot
W32/A-e3871acb
v6.4.7.1.166

F-Secure
Adware.BrowseFox.BJ
11.2015-28-01_4

G Data
Win32.Application.AnyProtect
15.1.24

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.InstallCore
15.1.28.11

VIPRE Antivirus
Threat.4150696
36666

File size:
575.9 KB (589,735 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsx7729.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:9DvpVf4gb1SS/4gzuVB8JX3EPvFJSE0vIxUqWu92YbhEDyhH8tpD2rR6q7i0PvGv:9Dv7Ag0S/3LX3EPdNOXqWuAY1zH8tA1K

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, 83, CF, 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:
7.8577

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_nsx7729.tmp has been seen being distributed by the following URL.

http://www.download-servers.com/.../dl.php?r=vu_vo2_SO&rr=R&sct=AGR&sid=7C5B58A0-18F1-11E2-A506-ECA86BBA216C&isnw=2

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