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icreinstall_nslf799.tmp

The file icreinstall_nslf799.tmp has been detected as adware by 9 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:
32bb58aedf305bed2dd7567d99788de7

SHA-1:
5495455024d64e1b5648531b0496200a24af8d81

SHA-256:
376a5d0d95481a11bf13872d30af5ad7d14fdb111afe2a81ddc6509953ab3418

Scanner detections:
9 / 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:
4/26/2024 2:09:02 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Dropper-gen [Drp]
2014.9-151116

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.151116

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0320

ESET NOD32
Win32/InstallCore.PK (variant)
9.10636

F-Prot
W32/A-e3871acb
v6.4.7.1.166

NANO AntiVirus
Riskware.Win32.InstallCore.dfgorp
0.28.6.62995

Qihoo 360 Security
Win32/Trojan.Dropper.c9f
1.0.0.1015

Reason Heuristics
PUP.InstallCore (M)
15.11.16.15

VIPRE Antivirus
Trojan.Win32.Generic
34334

File size:
573.7 KB (587,483 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nslf799.tmp

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:Jgvp3n8Or78HmBDOWQ1luQVOENQ2TNCeEX+gVpoIUe:Jgvdn8OrLwWQ1lutP2TNCeEX+gzD

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:
7.8489

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

Code size:
37 KB (37,888 bytes)

The file icreinstall_nslf799.tmp has been seen being distributed by the following URL.

http://www.download-servers.com/.../dl.php?r=vu_vo2_LS123&rr=R&sct=AGR&sid=2342AD00-157D-11E0-8B7F-AC220B52AF98

Remove icreinstall_nslf799.tmp - Powered by Reason Core Security
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