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icreinstall_nsjee04.tmp

The file icreinstall_nsjee04.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.
MD5:
57636c34801b3083ca575c46dd8cb6b1

SHA-1:
1f89d446a75b41c76cf027d9f3198fc4086251b1

SHA-256:
3d0f867e64546f472d2e1881eb0fe3099d80583089626a9801ab11c0f06f517c

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 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:
4/19/2024 12:12:10 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

avast!
Malware-gen
150525-2

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1562

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
6/2/2015

F-Prot
W32/A-df0bbe51
v6.4.7.1.166

G Data
Win32.Application.AnyProtect
15.6.25

McAfee
Trojan.Artemis!57636C34801B
18.0.204.0

Qihoo 360 Security
HEUR/QVM06.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.InstallCore
15.6.2.19

VIPRE Antivirus
Threat.4150696
40552

File size:
576.6 KB (590,396 bytes)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_nsjee04.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):
12288:7ODFaaDwsNKu0Y0/OFKeUlRThuat1O0W1P/46VqlUcVIegiut6yX:7ODFDDwsopVRtuoeojlf+6KX

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, BF, A9, FF, FF, E8, 5E, 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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-192-55-29.jfk6.r.cloudfront.net  (54.192.55.29:80)

TCP (HTTP):
Connects to ec2-52-10-224-155.us-west-2.compute.amazonaws.com  (52.10.224.155:80)

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