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icreinstall_nsfedcb.tmp

The file icreinstall_nsfedcb.tmp 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, 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:
e8b816facef707581706db51183298d6

SHA-1:
c96f212730ab08f9413a807b5bb612a64af920b0

SHA-256:
d30bd7bdddb76214db3a439c62f8f204ac046f03f1d3f60ff84af2473f686980

Scanner detections:
1 / 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 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:
11/5/2024 1:06:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.RE (M)
16.5.4.15

File size:
574.8 KB (588,613 bytes)

Bundler/Installer:
installCore (using Inno Setup)

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

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:Awvp2G3bew4tO+5WmKUbnmqTVS8GVt5Op2wLJ9:AwvsGiw4cxqTK9Op2wLr

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

Code size:
37 KB (37,888 bytes)

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

http://www.download-servers.com/.../dl.php?r=vu_vo2_SOTO&rr=R&sct=AGR&sid=33444335-3632-5830-5A32-A45D3671228A

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