home

icreinstall_expressfiles.exe

Internet application

UpdateStar GmbH

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_expressfiles.exe, “Internet application Setup ” by UpdateStar GmbH has been detected as a potentially unwanted program 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from cdn.straightfolderscounter.com. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Software   (signed by UpdateStar GmbH)

Product:
Internet application

Description:
Internet application Setup

Version:
1.7.1.7

MD5:
aa2af347e94bd56f1fea6ee04d4bf07c

SHA-1:
bdef52c61886221306a07d2ae6acf639850b3025

SHA-256:
d2305b6f95d2d5e0c56e4846c5d4bcc23d179faa69e7fd5d28c576c563f089de

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
11/15/2024 5:21:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.UpdateStar.Installer (M)
16.1.15.9

File size:
741.1 KB (758,904 bytes)

Product version:
3.3.7

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
2/3/2015 5:40:42 PM

Valid to:
2/4/2016 5:40:42 PM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112124922D3C2654755777EEC500C21F7151

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:WvkaaES3Ir8Su8oFkkZn1PeQk4Y0884Cazn1VdRc1YAI3tPLOVk0COs6Vuf0Y:WvkPzp1Pk4YZJTbfda1YVtDOyTOs6cP

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...
 
[+]

Entropy:
7.8852

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

Code size:
37 KB (37,888 bytes)

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

http://cdn.straightfolderscounter.com/c?x=nD7FYDr n JmbnQq12Ck0xX 2g6s9kB em8eE4rCw3c=&c=hbr5CG5tMQzylMwyO6AG sdOnQXf9ym3eWNQ/ZcXdSfgU83PRaBks40/ dMWpSBSStE621IAtCG8Ir1ugmX/wFKRWRhLPcHKn9AR1Sr/pYHThQLYrvfkcSaNQMmD PNe&fallback_url=http://express-files.com/.../g_installer.exe&downloadAs=expressfiles.exe

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)

Remove icreinstall_expressfiles.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.