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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-54-230-163-96.jax1.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:
a34c5ca8edcdf3238bf0ba60a1405ea5

SHA-1:
4d21dcb18e5244b0b962cb07d69b9ab04b435ba2

SHA-256:
530ea3020a79aaf9a7605c0f6019d97f2c8b5d57248c27e6742e1bf5d5aa6fb3

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 5:17:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.8.25.11

File size:
205.7 KB (210,640 bytes)

Product version:
3.0.0.61

Original file name:
TSvr

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
8/24/2016 3:00:00 AM

Valid to:
6/9/2017 2:59:59 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:
789A56EDC6B6552AA28856E898EA14B4

File PE Metadata
Compilation timestamp:
8/25/2016 12:02:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:lA4yF3Gz4oKVRAswWnnfTMY3bBwFbbLETeNoRzMjBRJ:lSFWkV2UnLMk4bHGeN2z

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:
6.2387

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-54-192-130-124.ams50.r.cloudfront.net  (54.192.130.124:80)

TCP (HTTP):
Connects to server-54-192-130-139.ams50.r.cloudfront.net  (54.192.130.139:80)

TCP (HTTP):
Connects to server-54-192-203-36.fra50.r.cloudfront.net  (54.192.203.36:80)

TCP (HTTP):
Connects to server-54-192-203-223.fra50.r.cloudfront.net  (54.192.203.223:80)

TCP (HTTP):
Connects to server-54-192-130-216.ams50.r.cloudfront.net  (54.192.130.216:80)

TCP (HTTP):
Connects to server-54-230-141-171.sfo5.r.cloudfront.net  (54.230.141.171:80)

TCP (HTTP):
Connects to server-54-230-141-233.sfo5.r.cloudfront.net  (54.230.141.233:80)

TCP (HTTP):
Connects to server-52-85-83-72.lax1.r.cloudfront.net  (52.85.83.72:80)

TCP (HTTP):
Connects to server-52-85-83-242.lax1.r.cloudfront.net  (52.85.83.242:80)

TCP (HTTP):
Connects to server-54-192-230-238.waw50.r.cloudfront.net  (54.192.230.238:80)

TCP (HTTP):
Connects to server-54-192-230-204.waw50.r.cloudfront.net  (54.192.230.204:80)

TCP (HTTP):
Connects to server-54-230-163-96.jax1.r.cloudfront.net  (54.230.163.96:80)

TCP (HTTP):
Connects to server-54-230-163-177.jax1.r.cloudfront.net  (54.230.163.177:80)

TCP (HTTP):
Connects to server-54-192-230-206.waw50.r.cloudfront.net  (54.192.230.206:80)

TCP (HTTP):
Connects to server-54-192-230-121.waw50.r.cloudfront.net  (54.192.230.121:80)

TCP (HTTP):
Connects to server-52-85-63-159.lhr50.r.cloudfront.net  (52.85.63.159:80)

TCP (HTTP):
Connects to server-52-85-63-127.lhr50.r.cloudfront.net  (52.85.63.127:80)

TCP (HTTP):
Connects to server-52-84-246-209.sfo20.r.cloudfront.net  (52.84.246.209:80)

TCP (HTTP):
Connects to server-54-239-132-220.sfo9.r.cloudfront.net  (54.239.132.220:80)

TCP (HTTP):
Connects to server-54-192-230-94.waw50.r.cloudfront.net  (54.192.230.94:80)

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