diff --git a/build/lib/asar.js b/build/lib/asar.js
index f836151fd5859..85c63a4073e1b 100644
--- a/build/lib/asar.js
+++ b/build/lib/asar.js
@@ -64,6 +64,7 @@ function createAsar(folderPath, unpackGlobs, destFilename) {
                 cwd: folderPath,
                 base: folderPath,
                 path: path.join(destFilename + '.unpacked', relative),
+                stat: file.stat,
                 contents: file.contents
             }));
         }
@@ -84,11 +85,13 @@ function createAsar(folderPath, unpackGlobs, destFilename) {
                 out.unshift(headerBuf);
                 out.unshift(sizeBuf);
             }
+            var contents = Buffer.concat(out);
+            out.length = 0;
             _this.queue(new VinylFile({
                 cwd: folderPath,
                 base: folderPath,
                 path: destFilename,
-                contents: Buffer.concat(out)
+                contents: contents
             }));
             _this.queue(null);
         };
diff --git a/build/lib/asar.ts b/build/lib/asar.ts
index 2223741906389..e801225503cc0 100644
--- a/build/lib/asar.ts
+++ b/build/lib/asar.ts
@@ -75,6 +75,7 @@ export function createAsar(folderPath: string, unpackGlobs: string[], destFilena
 				cwd: folderPath,
 				base: folderPath,
 				path: path.join(destFilename + '.unpacked', relative),
+				stat: file.stat,
 				contents: file.contents
 			}));
 		} else {
@@ -97,11 +98,14 @@ export function createAsar(folderPath: string, unpackGlobs: string[], destFilena
 				out.unshift(sizeBuf);
 			}
 
+			const contents = Buffer.concat(out);
+			out.length = 0;
+
 			this.queue(new VinylFile({
 				cwd: folderPath,
 				base: folderPath,
 				path: destFilename,
-				contents: Buffer.concat(out)
+				contents: contents
 			}));
 			this.queue(null);
 		};
diff --git a/src/vs/workbench/services/search/node/ripgrepFileSearch.ts b/src/vs/workbench/services/search/node/ripgrepFileSearch.ts
index 9b73f7739ecfa..acaccc6693aa1 100644
--- a/src/vs/workbench/services/search/node/ripgrepFileSearch.ts
+++ b/src/vs/workbench/services/search/node/ripgrepFileSearch.ts
@@ -13,11 +13,14 @@ import { normalizeNFD, startsWith } from 'vs/base/common/strings';
 import { IFolderSearch, IRawSearch } from './search';
 import { foldersToIncludeGlobs, foldersToRgExcludeGlobs } from './ripgrepTextSearch';
 
+// If vscode-ripgrep is in an .asar file, then the binary is unpacked.
+const rgDiskPath = rgPath.replace(/\bnode_modules\.asar\b/, 'node_modules.asar.unpacked');
+
 export function spawnRipgrepCmd(config: IRawSearch, folderQuery: IFolderSearch, includePattern: glob.IExpression, excludePattern: glob.IExpression) {
 	const rgArgs = getRgArgs(config, folderQuery, includePattern, excludePattern);
 	const cwd = folderQuery.folder;
 	return {
-		cmd: cp.spawn(rgPath, rgArgs.args, { cwd }),
+		cmd: cp.spawn(rgDiskPath, rgArgs.args, { cwd }),
 		siblingClauses: rgArgs.siblingClauses,
 		rgArgs,
 		cwd
diff --git a/src/vs/workbench/services/search/node/ripgrepTextSearch.ts b/src/vs/workbench/services/search/node/ripgrepTextSearch.ts
index 72ecb4b919d37..cbc4bd814a69b 100644
--- a/src/vs/workbench/services/search/node/ripgrepTextSearch.ts
+++ b/src/vs/workbench/services/search/node/ripgrepTextSearch.ts
@@ -23,6 +23,9 @@ import { TPromise } from 'vs/base/common/winjs.base';
 import { ISerializedFileMatch, ISerializedSearchComplete, IRawSearch, IFolderSearch, LineMatch, FileMatch } from './search';
 import { IProgress } from 'vs/platform/search/common/search';
 
+// If vscode-ripgrep is in an .asar file, then the binary is unpacked.
+const rgDiskPath = rgPath.replace(/\bnode_modules\.asar\b/, 'node_modules.asar.unpacked');
+
 export class RipgrepEngine {
 	private isDone = false;
 	private rgProc: cp.ChildProcess;
@@ -72,7 +75,7 @@ export class RipgrepEngine {
 
 			onMessage({ message: rgCmd });
 		});
-		this.rgProc = cp.spawn(rgPath, rgArgs.args, { cwd });
+		this.rgProc = cp.spawn(rgDiskPath, rgArgs.args, { cwd });
 		process.once('exit', this.killRgProcFn);
 
 		this.ripgrepParser = new RipgrepParser(this.config.maxResults, cwd, this.config.extraFiles);