tsvr.exe

Trend Service

Wenchao Zhang

The application tsvr.exe by Wenchao Zhang has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “IhPul”. While running, it connects to the Internet address server-54-239-132-22.sfo9.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Trend Corp.  (signed by Wenchao Zhang)

Product:
Trend Service

Description:
Service

Version:
3.0.0.61

MD5:
732389f9d19c16eae64648a6ead6f8c2

SHA-1:
61b8e794db64b27acd12a961b9d6b349f2fdf179

SHA-256:
14c191792493c262b875e132766c8188a04919da95b40bfc5060f4d355936b63

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/7/2024 9:37:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.8.29.10

File size:
205.7 KB (210,640 bytes)

Product version:
3.0.0.61

Original file name:
TSvr

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

Common path:
C:\users\{user}\appdata\roaming\setup1\tsvr.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
8/26/2016 8:00:00 AM

Valid to:
6/9/2017 7:59:59 AM

Subject:
CN=Wenchao Zhang, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
686EFA689FAF26200E783EFC173E416C

File PE Metadata
Compilation timestamp:
8/25/2016 5:02:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:gA4yF3Gz4oKVRAswWnnfTMY3bBwFbbLETeNoRzMjBR9a:gSFWkV2UnLMk4bHGeN2z+a

Entry address:
0x1BAD8

Entry point:
E8, 87, 02, 00, 00, E9, 03, FE, FF, FF, FF, 25, F8, F2, 41, 00, FF, 25, FC, F2, 41, 00, FF, 25, 00, F3, 41, 00, FF, 25, 04, F3, 41, 00, FF, 25, 08, F3, 41, 00, FF, 25, 0C, F3, 41, 00, FF, 25, 10, F3, 41, 00, FF, 25, 14, F3, 41, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 68, 79, BB, 41, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, 00, 50, 42, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF...
 
[+]

Entropy:
6.2377

Code size:
117 KB (119,808 bytes)

Service
Display name:
IhPul

Type:
Win32OwnProcess


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-52-84-246-143.sfo20.r.cloudfront.net  (52.84.246.143:80)

TCP (HTTP):
Connects to server-52-84-246-7.sfo20.r.cloudfront.net  (52.84.246.7:80)

TCP (HTTP):
Connects to server-52-84-246-245.sfo20.r.cloudfront.net  (52.84.246.245:80)

TCP (HTTP):
Connects to server-52-84-246-51.sfo20.r.cloudfront.net  (52.84.246.51:80)

TCP (HTTP):
Connects to server-52-84-246-131.sfo20.r.cloudfront.net  (52.84.246.131:80)

TCP (HTTP):
Connects to server-52-84-246-176.sfo20.r.cloudfront.net  (52.84.246.176:80)

TCP (HTTP):
Connects to server-54-239-132-43.sfo9.r.cloudfront.net  (54.239.132.43:80)

TCP (HTTP):
Connects to server-54-239-132-224.sfo9.r.cloudfront.net  (54.239.132.224:80)

TCP (HTTP):
Connects to server-52-84-246-21.sfo20.r.cloudfront.net  (52.84.246.21:80)

TCP (HTTP):
Connects to server-52-84-246-105.sfo20.r.cloudfront.net  (52.84.246.105:80)

TCP (HTTP):
Connects to server-52-84-246-27.sfo20.r.cloudfront.net  (52.84.246.27:80)

TCP (HTTP):
Connects to server-54-230-216-223.mrs50.r.cloudfront.net  (54.230.216.223:80)

TCP (HTTP):
Connects to server-54-240-186-13.mad50.r.cloudfront.net  (54.240.186.13:80)

TCP (HTTP):
Connects to server-54-239-132-22.sfo9.r.cloudfront.net  (54.239.132.22:80)

TCP (HTTP):
Connects to server-54-230-216-83.mrs50.r.cloudfront.net  (54.230.216.83:80)

TCP (HTTP):
Connects to server-54-230-216-22.mrs50.r.cloudfront.net  (54.230.216.22:80)

TCP (HTTP):
Connects to server-54-230-216-138.mrs50.r.cloudfront.net  (54.230.216.138:80)

TCP (HTTP):
Connects to server-54-192-55-52.jfk6.r.cloudfront.net  (54.192.55.52:80)

TCP (HTTP):
Connects to server-54-192-55-235.jfk6.r.cloudfront.net  (54.192.55.235:80)

TCP (HTTP):
Connects to server-54-192-230-42.waw50.r.cloudfront.net  (54.192.230.42:80)

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