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icreinstall_nsk30f4.tmp

The file icreinstall_nsk30f4.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 and multiple other hosts.
MD5:
df1ae3a98c1ab3bcc04b7f7cfbad9705

SHA-1:
837299de8c92fa18da096433bf69a6f23c68d453

SHA-256:
991297e9a9f60ab21e4a61f91a7b05f30e0d588cd94d346f0efb552c5ecf9e6a

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/17/2024 11:53:18 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore (M)
16.1.5.5

File size:
573 KB (586,772 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsk30f4.tmp

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:u9vpEbq6aqsONM9eiPoXTKB4eatw1Coxf89iu9i:u9vqbq6ayfiPoDKB4ek64iG

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_nsk30f4.tmp has been seen being distributed by the following 2 URLs.

http://www.download-servers.com/.../dl.php?r=vu_vo2_SOTO&rr=R&sct=AGR&sid=00000000-0000-0000-0000-0021855D139C

http://www.download-servers.com/.../dl.php?r=vu_vo2_SOTO&rr=R&sct=AGR&sid=0000D774-0E46-0703-FFFF-7824AF781518

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