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icreinstall_irfanview.exe

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_irfanview.exe has been detected as adware by 10 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.
MD5:
39bc0aed054f7cc0fb93bf41b2017f2d

SHA-1:
97c33b3fcb9b6124bf74b4d61bd5eb2049519eb1

Scanner detections:
10 / 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:
4/25/2024 2:11:21 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/InstallCore.AB.3
7.11.119.230

Bkav FE
W32.Clod316.Trojan
1.3.0.4613

Dr.Web
Adware.InstallCore.133
9.0.1.0303

ESET NOD32
Win32/InstallCore.ES (variant)
9.9178

herdProtect (fuzzy)
variant of curriculum-vitae-europeo.exe
2015.10.30.8

Malwarebytes
PUP.Optional.InstallCore.A
v2015.10.30.08

Reason Heuristics
PUP.InstallCore (M)
15.9.3.8

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.151028

Trend Micro House Call
TROJ_GEN.F47V1124
7.2.303

VIPRE Antivirus
InstallCore.b
24418

File size:
636.7 KB (651,976 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\icreinstall_irfanview.exe

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:aZkyMJfsGFJtOVGw80cS7k6Pp243S5hcnmR86LVrZ8MkryI:aZkyMJfs+z8Ro6p2yocI8yI

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file icreinstall_irfanview.exe has been seen being distributed by the following URL.

http://nl.inncdn.com/?domain=irfanview&name=IrfanView&icon=aHR0cDovL3NjcmVlbnNob3QuaXQuc2Z0Y2RuLm5ldC9pdC9zY3JuLzYwMDAvNjU5MS9pcmZhbnZpZXctMTMucG5n&url=aHR0cDovL2lyZmFudmlldy50dXdpZW4uYWMuYXQvaXZpZXc0MzJfc2V0dXAuZXhl&os=&lang=it_IT

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

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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