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teraterm-4.83.exe

Tera Term

The application teraterm-4.83.exe, “Tera Term Setup ” has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the Inno Setup 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. The file has been seen being downloaded from en.sourceforge.jp.
Product:
Tera Term

Description:
Tera Term Setup

MD5:
c54dfd2b9e2e32e921605cf7b1e0f7ae

SHA-1:
12854e483fda1886e4079569ffa270e95b1c4e8a

SHA-256:
1a9e75ebb235fb406be648741c4dd1985380654eb56b5623297d980378ac38b2

Scanner detections:
2 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/26/2024 4:02:20 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Detection.Undefined
7.0.302.0

Reason Heuristics
PUP.InstallCore.RE11 (M)
16.12.8.5

File size:
1.1 MB (1,114,112 bytes)

Copyright:
TeraTerm Project

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\teraterm-4.83.exe

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:5naos+rozEeh8sirEYZdGAmy0Kqw7AvnS0PiqQMJEr:5a8c4Ts8eA/0lwQS0Pijr

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, E8, CD, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E8, CD...
 
[+]

Entropy:
7.9837

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

Code size:
37 KB (37,888 bytes)

The file teraterm-4.83.exe has been seen being distributed by the following URL.

http://en.sourceforge.jp/frs/redir.php?m=jaist&f=/ttssh2/.../teraterm-4.83.exe

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