How to remove zsi.exe

zsi.exe

The module zsi.exe has been detected as Adware.Redirector

zsi.exe

zsi.exe is a Windows file recorded in the ThreatInfo database. It is associated with ZUM Startpage Setup. The reported company name is ZUM internet.. The current detection status is Adware.Redirector, based on the latest analysis from 2025-09-02 23:07:03 (8 months ago).

If zsi.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Adware.Redirector.

Product Name: ZUM Startpage Setup
Company Name: ZUM internet.
MD5: 2be93266a159ad41d977f321d0dcf10d
Size: 152 KB
First Published: 2023-07-04 23:30:30 (2 years ago)
Latest Published: 2025-09-02 23:07:03 (8 months ago)
Status: Adware.Redirector (on last analysis)
Analysis Date: 2025-09-02 23:07:03 (8 months ago)
Signed By: ESTsoft Corp.
Status: Valid

The signature on zsi.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft
%programfiles%\estsoft

ThreatInfo has observed zsi.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

80.0%
6.7%
6.7%
6.7%

The strongest geographic signal for this file is South Korea with 80.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for zsi.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

zsi.exe is identified as pe for 32 systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x00005d35

PE Sections:

Name Size of data MD5
.text 90112 bca6eeaf2b550e3f7c1fff0c0043f383
.rdata 33280 5d2c1e16204a1c0e5881f9ff6386dba5
.data 2560 d3fd8dcb1f5c408da4c6408d1af72c38
.gfids 512 610e9e8a13263f4b180ffe4374eff6a9
.tls 512 1f354d76203061bfdd5a53dae48d5435
.rsrc 1536 64b61a94ba6a0a6afa139abe16db0939
.reloc 5632 c568b2a1fbb7b6d3215a20509c8a8f1f

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

More information:

Download GridinSoft Anti-Malware - Removal tool for zsi.exe