icreinstall_downloadmanagersetup.exe

JumpyApps

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_downloadmanagersetup.exe by JumpyApps has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the installCore installer. 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. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
JumpyApps  (signed and verified)

MD5:
5f5464b4596f672a6a27799f4430225c

SHA-1:
48395fa10830d65781eb7ef4469a413b1279b39e

SHA-256:
7a9ddae4329db91be4a8468b71628c137741d2cd35d7ab2a534d0e52fef3ed91

Scanner detections:
12 / 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:
4/26/2024 9:53:05 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.162.22

Comodo Security
Application.Win32.Installcore.IJU
18878

Dr.Web
Trojan.Packed.24524
9.0.1.0298

ESET NOD32
Win32/InstallCore.GZ potentially unwanted application
9.7.0.302.0

G Data
Win32.Application.InstallCore
15.10.24

herdProtect (fuzzy)
2015.10.25.4

Malwarebytes
PUP.Optional.JumpyApps.A
v2015.10.25.04

Reason Heuristics
PUP.installCore.JumpyApps.Installer (M)
15.8.28.16

Vba32 AntiVirus
3.12.26.3

VIPRE Antivirus
Threat.4786018
31208

Zillya! Antivirus
Adware.Agent.Win32.8971
2.0.0.1860

File size:
653.6 KB (669,240 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_downloadmanagersetup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
2/17/2013 7:00:00 PM

Valid to:
2/18/2014 6:59:59 PM

Subject:
CN=JumpyApps, O=JumpyApps, STREET=63 Rothschild Blvd., L=Tel Aviv, S=NA, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6DB423F9C6473168CF486AAF112EDD5C

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:b/vpkIAD4DBSHiUq2PL7PhlaVaw3N/X/OmAYRkzJJovNOKxO:7vSsBJT2/Psp9GmAYRklQN9O

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:
7.8074

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 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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