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teraterm-4.91.exe

Tera Term

The file teraterm-4.91.exe, “Tera Term Setup ” 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 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.
Product:
Tera Term

Description:
Tera Term Setup

MD5:
ca9e6fa2136ed23a2af331a6b0c5a6d3

SHA-1:
d29796e304fa448e63f78a55a356c81f79c312e6

SHA-256:
19da79737af8c36a1413c84dbebe938729ca7e4a5e16806f9ea7a3229f27365b

Scanner detections:
1 / 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:
12/26/2024 11:42:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.RE48 (M)
16.6.1.12

File size:
13.4 MB (14,039,016 bytes)

Copyright:
© 2004-2016 TeraTerm Project

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\teraterm-4.91.exe.part

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):
393216:maBL8u+hn+Y3oVM9UWkjOR5s9wUi9/BQY:bqL9oy9U8R5s9wB/BQY

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:
7.9997

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

Code size:
37 KB (37,888 bytes)

The file teraterm-4.91.exe has been seen being distributed by the following 22 URLs.

http://www.lo4d.com/get-file/tera-term/.../

http://dforest.watch.impress.co.jp/library/u/utf8teraterm/.../teraterm-4.91.exe

http://slc.lo4d.com/files/.../teraterm-4.91.exe

https://osdn.jp/frs/redir.php?m=c3sl&f=/ttssh2/.../teraterm-4.91.exe

http://gigenet.dl.osdn.jp/ttssh2/.../teraterm-4.91.exe

http://www.lo4d.com/get-file/tera-term/.../

https://en.osdn.jp/frs/redir.php?m=cznic&f=/ttssh2/.../teraterm-4.91.exe

https://en.osdn.jp/frs/redir.php?m=jaist&f=/ttssh2/.../teraterm-4.91.exe

https://osdn.jp/frs/redir.php?m=rwthaachen&f=/ttssh2/.../teraterm-4.91.exe

http://www.lo4d.com/get-file/tera-term/.../

http://www.lo4d.com/get-file/tera-term/.../

http://www.lo4d.com/get-file/tera-term/.../

http://www.lo4d.com/get-file/tera-term/.../

http://www.lo4d.com/get-file/tera-term/.../

https://en.osdn.jp/frs/redir.php?m=c3sl&f=/ttssh2/.../teraterm-4.91.exe

https://osdn.jp/frs/redir.php?m=jaist&f=/ttssh2/.../teraterm-4.91.exe

http://nchc.dl.osdn.jp/ttssh2/.../teraterm-4.91.exe

http://www.lo4d.com/get-file/tera-term/.../

https://en.osdn.jp/frs/redir.php?m=gigenet&f=/ttssh2/.../teraterm-4.91.exe

http://logmett.com/downloadfile.php?pvid=53

http://files.downloadnow-2.com/s/software/14/69/08/.../teraterm-4.91.exe

https://en.osdn.jp/frs/redir.php?m=rwthaachen&f=/ttssh2/.../teraterm-4.91.exe

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