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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-54-192-25-203.mxp4.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Trend Corp.  (signed by Wenchao Zhang)

Product:
Trend Service

Description:
Service

Version:
3.0.0.64

MD5:
36aa6fa59a470e0f9a50666b31c2652d

SHA-1:
4b83fd06c11bcc8890855bfe33ff7228d60c61be

SHA-256:
bb7640950a4ef83f0e5293a05500b5dca27c9c23dfe7b8322addef171bd3b9d8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/27/2024 1:55:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
17.1.29.3

File size:
277.1 KB (283,799 bytes)

Product version:
3.0.0.64

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:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
9/19/2016 6:00:00 AM

Valid to:
6/9/2017 5:59:59 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:
3C088DA46AABF2F0B5C81C5D7DC76C57

File PE Metadata
Compilation timestamp:
9/18/2016 1:21:05 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x1AAC8

Entry point:
E9, CA, 3A, FF, FF, E9, 03, FE, FF, FF, FF, 25, E0, E2, 41, 00, FF, 25, E4, E2, 41, 00, FF, 25, E8, E2, 41, 00, FF, 25, EC, E2, 41, 00, FF, 25, F0, E2, 41, 00, FF, 25, F4, E2, 41, 00, FF, 25, F8, E2, 41, 00, FF, 25, FC, E2, 41, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 68, 69, AB, 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, 40, 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:
6.8858

Packer / compiler:
tElock 0.99 - 1.0 private

Code size:
113 KB (115,712 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-54-192-25-79.mxp4.r.cloudfront.net  (54.192.25.79:80)

TCP (HTTP):
Connects to server-54-192-25-61.mxp4.r.cloudfront.net  (54.192.25.61:80)

TCP (HTTP):
Connects to server-54-192-25-203.mxp4.r.cloudfront.net  (54.192.25.203:80)

TCP (HTTP):
Connects to server-54-192-25-190.mxp4.r.cloudfront.net  (54.192.25.190:80)

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